229 Multiple choice questions

1. Per NEC 250.116 ground rods should attach to metal fences
   1. A metal fence should be attached to a ground rod?
   2. IN NEC 2008, what does Table 370.6A cover?
   3. A switch should be _____ high off the floor?
   4. A receptacle should be how high off the floor?
2. Visible and within 50 ft.
   1. Which NEC Article covers grounding?
   2. In NEC terms, what does the phrase in sight mean?
   3. Name 3 situations AFCI protection is required.
   4. NEC Section 300-13 provides information on?
3. The current stays the same cause the doubling is offset by the halving.
   1. Motors and generators work the same way. (True or False)
   2. Voltages of _____ or more are considered high.
   3. A 12-foot hallway requires one receptacle to meet code. (True or False)
   4. A voltage of 1V applied across a 1ohm resistance produces a 1amp current. If the voltage is doubled and the resistance is halved, the current does what?
4. Two outside ground wire are needed on a 400 amp.
   1. Which NEC article covers cable trays?
   2. The standard length for IMC is?
   3. NEC Article 100 is dedicated to?
   4. ampacity
5. True
   1. Fusing the load side of a transformer sufficiently protects the transformer. (True or False)
   2. Voltage strengthens as a negative terminal becomes crowded with electrons. (True or False)
   3. Branch circuits must be loaded equally in terms of wattage per unit area. (True or False)
   4. A whirlpool tub requires GFCI protection. (True or False)
6. "Authority Having Jurisdiction (AHJ)"
   1. When local ordinance superseded or administers NEC, NEC uses what phrase?
   2. NEC allows how many disconnects per service entrance?
   3. What determines the severity of an electrical shock?
   4. When NEC Article 100 describes "Feeder" as.
7. active or live
   1. The organization that sponsors the NEC, is the _____.
   2. All electrical equipment and supplies should be considered _____ until determined otherwise.
   3. In electrical work, electrons are always balanced between two points. (True or False)
   4. A metal fence should be attached to a ground rod?
8. NEC Section 250.118(5)
   1. NEC Section 300-13 provides information on?
   2. NEC Article _____ addresses bonding requirements in healthcare facilities.
   3. Which NEC Section covers equipment grounding conductors.
   4. NEC Section _____ oversees bonding of flexible type conduit.
9. NEC 225.18
   1. When NEC Article 100 describes "Feeder" as.
   2. What Section discusses "clearance(s) from ground.
   3. What is the subject of NEC Section 250-2D?
   4. What is the difference between NFPA 70 and NEC?
10. A grounded conductor is a system or circuit that is intentionally grounded.
    1. NEC Chapter 9, Table 5, states,
    2. Describe a grounding conductor.
    3. Annex _____ of NEC covers conduit fill.
    4. NEC Article _____ address EMT.
11. False, demand factors of lighting does not apply to this table.
    1. NEC Table _____ covers grounding electrode conductor sizing.
    2. Voltage can be fatal to a person. (True or False)
    3. NEC Table 250.66 applies to the derived conductors of separately derived AC systems. (True or False)
    4. NEC Table 220.42 can be used to calculate lighting loads in a restaurant dining area. (True or False)
12. The smallest grounding conductor permitted is 6 awg or larger.
    1. NEC Table _____ covers grounding electrode conductor sizing.
    2. In NEC terms, what does the phrase in sight mean?
    3. A grounding conductor is what color?
    4. In terms of AWG, what is the minimum grounding conductor size permitted?
13. 1. The Builder
    2. Homeowner
    3. Inspector
    4. Boss
    1. A metal fence should be attached to a ground rod?
    2. Identify four parties who should be satisfied with the electrical work in a new residence.
    3. Define a grounding system according to NEC.
    4. The major cause of death from electrical shock is _____.
14. 10ft.
    1. Above sidewalks accessible by pedestrians, a service drop not over 600V must be at least _____ft. high.
    2. When NEC Article 100 describes "Feeder" as.
    3. A(n) _____ circuit is designed and created for one load.
    4. Extension cords are acceptable in wet areas. (True or False)
15. 2 ground rods 6 ft apart.
    1. On a 400-amp services, how many ground rods are required?
    2. NEC Article 100 is dedicated to?
    3. A subpanel requires a bonding screw? (True or False)
    4. Explain where and why isolated systems are used.
16. False, Depending on the location and environment, 3ft. may be insufficient clearance. While grouping apparatuses tightly may save space, repair and maneuvering options are limited should a device fail.
    1. The major cause of death from electrical shock is _____.
    2. The requirements for burying 240V conductors are found in NEC _____.
    3. The "3-ft. rule" for clearances around things like control panels is adequate. (True or False)
    4. A(n) _____ circuit is designed and created for one load.
17. NEC 250.114
    1. When is building steel permitted in an electro grounding system?
    2. What is the proper procedure for bonding a motor conduit with metal flex?
    3. Define a grounding system according to NEC.
    4. Which of the following NEC sections outlines which air-conditioning systems requires no grounding?
18. Is dedicated to the sizes of the grounding conductor
    1. What is the NEC definition of a circuit breaker?
    2. Which NEC article covers service drops?
    3. What is the topic of NEC Section 250-122?
    4. What factor determines circuit size?
19. False, run ground wire from panel to copper water pipe then jump the water meter using grounding clamps.
    1. Define a grounding system according to NEC.
    2. Using aluminum wire with receptacles must be _____.
    3. When bonding a plumbing system to the electrical system, it is not necessary to jump the water meter as this connection is built into the meter. (True or False)
    4. What is meant by the term isolated grounded reciprocal?
20. Grounded
    1. Explain the proper way to ground a subpanel in the same building.
    2. When using 500 MCM, _____ or ______ size ground wire is appropriate on a 400-amp service.
    3. Something that is ______ is connected to ground or to a conductive body that extends the grounding connection.
    4. NEC Table _____ covers grounding electrode conductor sizing.
21. Isolated systems are used in healthcare facilities due to explosive gases.
    1. What is an outlet?
    2. Explain where and why isolated systems are used.
    3. Which NEC article covers service drops?
    4. What is the difference between NFPA 70 and NEC?
22. The maximum amount of electrical current a conductor or device can carry before sustaining immediate or progressive deterioration.
    1. Explain the process of cad welding?
    2. Which NEC Article covers grounding?
    3. ampacity
    4. Define a parallel circuit?
23. NEC Tables Annex C1 and C2 identify both wire sizing and the temperature a wire can handle in amps.
    1. The smaller kitchen counter requiring a receptacle is _____ inches.
    2. Which NEC sections covers identification of equipment grounding conductors?
    3. Which NEC reference identifies wire sizing and the temperature a wire can handle in amps?
    4. Which NEC Section covers equipment grounding conductors.
24. Per NEC 230.10, vegetation is disallowed as a support device.
    1. Leads to an unused current transformer should be.
    2. Extension cords are acceptable in wet areas. (True or False)
    3. What are NEC requirements for a receptacle on a peninsula?
    4. A tree over 50 ft. high may be used as an overhead service support for a single-story residence only. (True or False)
25. True
    1. Small power tools are protected in what two ways?
    2. NEC _____ outlines the requirements fo AC type (armored) cable.
    3. NEC Table 250.66 applies to the derived conductors of separately derived AC systems. (True or False)
    4. NEC Tables 310-10 through 310-21 provide information on.
26. True, Receptacles fed from subpanels must have their equipment grounding bar that is electrically isolated from the neutral bar.
    1. All voltages in a circuit are referenced to Earth ground via a black wire. (True or False)
    2. Electricians should put grounded conductors on yellow reciprocal screws? (True or False)
    3. A lighting circuit in more than one room is acceptable electrical practice. (True or False)
    4. All new wiring receptacles must be grounded to a neutral bar in the panel box. (True or False)
27. It guards wire against damage.
    1. What factor determines circuit size?
    2. When is building steel permitted in an electro grounding system?
    3. Why is M/C cable required in a cupboard instead of Romex?
    4. The main ground on a service is a(n) _____.
28. Per NEC 225.14, separated by 4in.
    1. NEC allows how many disconnects per service entrance?
    2. Open conductors belonging to separate circuits must be separated by?
    3. What is meant by the phrase shall be?
    4. A bonding screw is what color?
29. "The permanent joining of metallic parts to form an electrically conductive path that ensures electrical continuity and the capacity to conduct safely any current likely to be imposed."
    1. A bonding screw is what color?
    2. NEC defines "Bonding" as,
    3. Define the term grounding conductor.
    4. NEC Article _____ address EMT.
30. A device designed to trip when an overcurrent is detected.
    1. Define the term grounding conductor.
    2. The NEC defines ampacity as,
    3. Why do stoves require a four-wire system?
    4. What is the NEC definition of a circuit breaker?
31. False, Arcing is the phenomenon in which electrons jump across insulators to positive terminals, which can occur through air, paper, rubber, or any other insulator.
    1. NEC requires a panelboard circuit directory. (True or False)
    2. A TVSS provides adequate protection against lighting strikes. (True or False)
    3. A 12-foot hallway requires one receptacle to meet code. (True or False)
    4. Insulators like air, paper or rubber prevent arcing. (True or False)
32. 48 in.
    1. A switch should be _____ high off the floor?
    2. What factor determines circuit size?
    3. Which NEC article covers service drops?
    4. The standard length for IMC is?
33. 350MCM or 400MCM
    1. Which NEC Section covers ground terminal identification.
    2. When installing an autotransformer, it is important to remember to insert an OCPD in series with the shunt winding. (True or False)
    3. _____ determines what size ground wire used on a service.
    4. When using 500 MCM, _____ or ______ size ground wire is appropriate on a 400-amp service.
34. 16 in.
    1. Small power tools are protected in what two ways?
    2. A receptacle should be how high off the floor?
    3. Which NEC Article covers grounding?
    4. A finished basement should have GFCI protection.
35. Shows in two columns (milimeters and inches), how many wires in trade size you can place in a box.
    1. Explain the process of cad welding?
    2. IN NEC 2008, what does Table 370.6A cover?
    3. Which NEC tables(s) cover(s) the fill of metal boxes?
    4. What factor determines circuit size?
36. True, although there are exceptions.
    1. A 12-foot hallway requires one receptacle to meet code. (True or False)
    2. NEC requires a panelboard circuit directory. (True or False)
    3. The NEC defines ampacity as,
    4. FMT conductors are appropriate for battery storage areas. (True or False)
37. NEC Section 250-126
    1. NEC Section 300-13 provides information on?
    2. NEC Table _____ covers grounding electrode conductor sizing.
    3. Which NEC Section covers ground terminal identification.
    4. Which NEC article covers cable trays?
38. NEC 310.8
    1. What is meant by the term isolated grounded reciprocal?
    2. What new code is needed for protection in all habitable spaces?
    3. Where does NEC list the types of insulation material deemed acceptable in wet locations?
    4. Describe the information covered in NEC Article 230.9 (A)
39. Air, does not conduct electricity.
    1. Describe the information covered in NEC Article 230.9 (A)
    2. Which NEC article covers cable trays?
    3. Which of the following NEC sections outlines which air-conditioning systems requires no grounding?
    4. Which of the following is not a conductor? Gold, Silver, Copper Water, Air.
40. Covers the sizes of alternating current grounding electrode conductors.
    1. Describe the information covered in NEC Article 230.9 (A)
    2. IN NEC 2008, what does Table 370.6A cover?
    3. What does NEC Section 250-28A require?
    4. What kind of information does NEC Section 250-66 cover?
41. Voltage level, amount of protective clothing, and moisture on skin or outerwear all impact a ground connection.
    1. What does NEC Section 250-28A require?
    2. Define the term grounding conductor.
    3. What is the topic of NEC Section 250-122?
    4. What determines the severity of an electrical shock?
42. 2/0 or 4/0
    1. All metallic boxes and components must be grounded unless a grounding conductor is absent. (True or False)
    2. A 10 AWG wire carries how many amps? (What size breaker?)
    3. On a 200-amp service, the electrician should use _____ or _____ size grounded conductor in the service cable.
    4. On a 400-amp services, how many ground rods are required?
43. Identified as the "B" leg
    1. Which NEC tables(s) cover(s) the fill of metal boxes?
    2. NEC Section 250-102 is devoted to equipment _____.
    3. In a three-phase delta system, the leg with the highest voltage must be _____.
    4. In NEC terms, what does the phrase in sight mean?
44. 6ft
    1. A receptacle should be how high off the floor?
    2. What is the subject of NEC Section 250-2D?
    3. A metal fence should be attached to a ground rod?
    4. Along a wall space, a first outlet should be no more than _____ feet from a door.
45. False, Per NEC 230.24, Service drop connectors shall not be readily accessible.
    1. When NEC Article 100 describes "Feeder" as.
    2. Fusing the load side of a transformer sufficiently protects the transformer. (True or False)
    3. Voltage strengthens as a negative terminal becomes crowded with electrons. (True or False)
    4. Service drops must be installed so as to be "readily accessible." (True or False)
46. NEC Article 358 covers EMT.
    1. Which NEC Article covers grounding?
    2. NEC Article _____ address EMT.
    3. Differentiate between AC and DC.
    4. NEC Article ______ defines breakers and fuses.
47. True, One is required, Two are suggested.
    1. A subpanel requires a bonding screw? (True or False)
    2. NEC requires a panelboard circuit directory. (True or False)
    3. Motors and generators work the same way. (True or False)
    4. A 12-foot hallway requires one receptacle to meet code. (True or False)
48. Is a measure of the amount of electric charge passing a point in an electric circuit per unit time.
    1. ampacity
    2. Define a parallel circuit?
    3. ampere
    4. The standard length for IMC is?
49. 120V
    1. On a 400-amp services, how many ground rods are required?
    2. What kind of information does NEC Section 250-66 cover?
    3. Outdoor lighting installations exceeding _____ are subject to the clearance requirements outlined in NEC 225.7
    4. NEC Section _____ oversees bonding of flexible type conduit.
50. Reliable
    1. Voltages of _____ or more are considered high.
    2. Bonding is the establishment of ______ connection between metal parts.
    3. What is the NEC definition of a circuit breaker?
    4. What is the proper way to test conduit for proper grounding?
51. Electrical installations at permanently installed pools.
    1. A _____-amp breaker goes on a 12 AWG wire.
    2. Define a grounding system according to NEC.
    3. NEC Article 100 is dedicated to?
    4. ______ are the subject of NEC Section 680-20.
52. False, Protecting a motor and a motor circuit are two very different things
    1. FMT conductors are appropriate for battery storage areas. (True or False)
    2. NEC requires a panelboard circuit directory. (True or False)
    3. Motors and generators work the same way. (True or False)
    4. The calculations for protecting motor circuits are the same as those for non motor circuits. (True or False)
53. Safety is the most important aspect of an electrician's job.
    1. What determines the severity of an electrical shock?
    2. The most important aspect of becoming an electrician is learning about _____.
    3. The main ground on a service is a(n) _____.
    4. NEC Article 526 helps electricians determine requirements for _____.
54. True, Per NEC 422.35
    1. According to NEC, trees are approved service conductors. (True or False)
    2. Using aluminum wire with receptacles must be _____.
    3. Disconnects and switches used with appliances must indicate, on their switches, the on- and off-positions. (True or False)
    4. Discuss the proper way to ground a subpanel in another building.
55. True
    1. Explain the proper way to ground a subpanel in the same building.
    2. _____ and ______ are two types of electrical faults.
    3. It is proper procedure to install an exhaust fan and light in a shower area. (True or False)
    4. Grounding reduces the voltage that might cause a fatal electrical shock by allowing excess current to flow to the ground. (True or False)
56. True, motors convert electricity to rotational motion, while generators convert rotary motion to electricity.
    1. Property owners can act as their own AHJs. (True or False)
    2. Voltage can be fatal to a person. (True or False)
    3. Motors and generators work the same way. (True or False)
    4. A whirlpool tub requires GFCI protection. (True or False)
57. For a raceway to be used. Find a value for area larger than the raceway area calculated previously.
    1. Annex _____ of NEC covers conduit fill.
    2. What is the topic of NEC Section 250-122?
    3. A receptacle should be how high off the floor?
    4. NEC Chapter 9, Table 4, states,
58. The fill of metal boxes appears in NEC Tables 314.6 A and B.
    1. Which NEC tables(s) cover(s) the fill of metal boxes?
    2. Which NEC article covers cable trays?
    3. Why do stoves require a four-wire system?
    4. NEC Article 100 is dedicated to?
59. False, Per 360.12, FMT is disallowed from battery storage areas
    1. Voltage can be fatal to a person. (True or False)
    2. A whirlpool tub requires GFCI protection. (True or False)
    3. FMT conductors are appropriate for battery storage areas. (True or False)
    4. Insulators like air, paper or rubber prevent arcing. (True or False)
60. True, when those water pipes are grounded.
    1. Electricians should put grounded conductors on yellow reciprocal screws? (True or False)
    2. Electricians may use rebar as a grounding means. (True or False)
    3. NEC allows electricians to ground gas pipes to existing, grounded water pipes. (True or False)
    4. Explain the proper way to ground a subpanel in the same building.
61. True
    1. Fusing the load side of a transformer sufficiently protects the transformer. (True or False)
    2. A subpanel requires a bonding screw? (True or False)
    3. As the diameter of wire increases, resistance to flow increases. (True or False)
    4. Resistance is generally used to convert energy from one form to another. (True or False)
62. True - NEMA is the acronym for National Electrical Manufacturers Association.
    1. NEMA stands for National Electrical Manufacturers Association
    2. The major cause of death from electrical shock is _____.
    3. NEC Article _____ address EMT.
    4. A bonding screw is what color?
63. 1.Insulated Housings.
    2. Ground prong on plugs.
    1. Name some tools for installing ground rods.
    2. Which NEC article covers cable trays?
    3. Small power tools are protected in what two ways?
    4. A grounding conductor is what color?
64. people and property
    1. NEC allows how many disconnects per service entrance?
    2. A(n) _____ is the fundamental particle of electricity.
    3. The maximum operating temperature of type FFH-2 fixture wiring is?
    4. NEC 90.1(A) states that the purpose of NEC is the "practical safeguarding of _____ from hazards arising from the use of electricity".
65. Relative to underground service, overhead electrical service is simpler to troubleshoot and repair and is the easier option when running electricity across roadways, waterways, and right-of-ways.
    1. Threaded pipe can be used for bonding purposes? (True or False)
    2. A lighting circuit in more than one room is acceptable electrical practice. (True or False)
    3. Underground service is simpler to troubleshoot and repair than overhead service? (True or False)
    4. In a given NEC section, Subsection (2) contains _____.
66. False, The way to ground a transformer in a commercial building is to place a grounding rod outside or beneath the building.
    1. The way to ground a transformer in a commercial building is to place a grounding rod inside the building? (True or False)
    2. Name a common application for high impedance grounding.
    3. What is the proper way to test conduit for proper grounding?
    4. How would demand be calculated in a commercial environment in which a branch circuit could effectively handle 20 KW?
67. NEC 314.3
    1. NEC _____ outlines the requirements fo AC type (armored) cable.
    2. NEC Article _____ outlines the restrictions for using plastic junction or device boxes.
    3. NEC Article 526 helps electricians determine requirements for _____.
    4. NEC Article ______ defines breakers and fuses.
68. True, An attic with a furnace requires a receptacle to honor safety and sound wiring requirements.
    1. Electricians may use rebar as a grounding means. (True or False)
    2. An attic with a furnace requires a receptacle. (True or False)
    3. A 12-foot hallway requires one receptacle to meet code. (True or False)
    4. A whirlpool tub requires GFCI protection. (True or False)
69. Covers clearances on buildings.
    1. Which NEC article covers cable trays?
    2. Current is measured in _____.
    3. Describe the information covered in NEC Article 230.9 (A)
    4. NEC Section 300-13 provides information on?
70. True
    1. Overcurrent insufficient to trip a breaker can prove hazardous under the right conditions. (True or False)
    2. A ground ring encircling a building or structure, in direct with the earth consisting of at least _____ft. of bare copper not smaller than _____ AWG, shall be permitted as an electrode.
    3. When is building steel permitted in an electro grounding system?
    4. NEC Section _____ oversees bonding of flexible type conduit.
71. NEC 320
    1. NEC _____ outlines the requirements fo AC type (armored) cable.
    2. Annex _____ of NEC covers conduit fill.
    3. A _____-amp breaker goes on a 12 AWG wire.
    4. A(n) _____ is the fundamental particle of electricity.
72. 1. Listed Pressures Connectors
    2. Terminal Bars
    3. Pressure Connectors Listed As Ground and Bonding Equipment
    4. Exothermic Welding
    5. Machine screw-type fasteners that engage not less than two threads or are screwed with nuts
    1. Which NEC Article covers grounding?
    2. NEC Section 300-13 provides information on?
    3. Which NEC tables(s) cover(s) the fill of metal boxes?
    4. Using NEC Section 250-8, identify five methods of making connections.
73. Green finish
    1. NEC Section _____ oversees bonding of flexible type conduit.
    2. What new code is needed for protection in all habitable spaces?
    3. When bonding a plumbing system to the electrical system, it is not necessary to jump the water meter as this connection is built into the meter. (True or False)
    4. Where a main bonding jumper or a system bonding jumper is a screw only, the screw shall be identified with a _____ finish that shall be visible with the screw installed.
74. According to the NEC, an outlet is defined as a point in a circuit at which current is taken.
    1. ampacity
    2. The NEC defines ampacity as,
    3. Define a parallel circuit?
    4. What is an outlet?
75. False, NEC 314.4, requires all metallic boxes to be grounded.
    1. Give guidelines for using sheet metal screws as bonding agents.
    2. All metallic boxes and components must be grounded unless a grounding conductor is absent. (True or False)
    3. Which NEC sections covers identification of equipment grounding conductors?
    4. A metal fence should be attached to a ground rod?
76. Using ohms law, the fuse value would be 10V/2ohms or 5 amperes. However, if the voltage increased slightly and harmlessly, the fuse would blow. Therefore the fuse should be based on the nature of the load.
    1. A voltage of 1V applied across a 1ohm resistance produces a 1amp current. If the voltage is doubled and the resistance is halved, the current does what?
    2. A circuit has a source of 10V and a resistance of 2hm. A fuse in this circuit should have what value?
    3. A 12-foot hallway requires one receptacle to meet code. (True or False)
    4. What three areas of a residence require 20-amp circuits?
77. When only the steel is connected to earth ground.
    1. When is building steel permitted in an electro grounding system?
    2. What determines the severity of an electrical shock?
    3. What is the subject of NEC Section 250-2D?
    4. What is the proper way to test conduit for proper grounding?
78. True, Per NEC 210.11
    1. Extension cords are acceptable in wet areas. (True or False)
    2. Branch circuits must be loaded equally in terms of wattage per unit area. (True or False)
    3. A 12-foot hallway requires one receptacle to meet code. (True or False)
    4. A whirlpool tub requires GFCI protection. (True or False)
79. True (NEC 250.92B)
    1. Motors and generators work the same way. (True or False)
    2. Threaded pipe can be used for bonding purposes? (True or False)
    3. A subpanel requires a bonding screw? (True or False)
    4. FMT conductors are appropriate for battery storage areas. (True or False)
80. A grounding conductor is green.
    1. A grounding conductor is what color?
    2. NEC Chapter 9, Table 5, states,
    3. Which NEC article covers cable trays?
    4. NEC Article 100 is dedicated to?
81. 30amps (10 x 3)
    1. Why do dryers require a four-wire system?
    2. A 10 AWG wire carries how many amps? (What size breaker?)
    3. Property owners can act as their own AHJs. (True or False)
    4. A grounding conductor is what color?
82. True, Electricians may use rebar as a grounding means.
    1. According to NEC, trees are approved service conductors. (True or False)
    2. Define the term grounding conductor.
    3. Electricians may use rebar as a grounding means. (True or False)
    4. Threaded pipe can be used for bonding purposes? (True or False)
83. In DC, electrons flow in one direction only. In AC, electrons "saw" back and forth in the load. AC is easier to manufacture and is most often delivered and used in a residence, business, or factory.
    1. Differentiate between AC and DC.
    2. The standard length for IMC is?
    3. Define the term grounding conductor.
    4. What is an outlet?
84. True, Intrinsically safe areas are safe with out enclosure, but enclosure are required for other protections.
    1. Service drops must be installed so as to be "readily accessible." (True or False)
    2. An electrician can safely recess a panel board into a flammable wall. (True or False)
    3. General-purpose enclosures are NEC approved for intrinsically safe apparatuses. (True or False)
    4. Extension cords are acceptable in wet areas. (True or False)
85. Connections
    1. Define a grounding system according to NEC.
    2. ______ are the subject of NEC Section 680-20.
    3. Equipment grounding conductor _____ is (are) discussed in NEC Section 250-130.
    4. _____ and ______ are two types of electrical faults.
86. NEC 250.66 provides the sizing of grounding electrode conductors
    1. In NEC, Table _____ provides the sizing of grounding electrode conductors.
    2. NEC Table _____ covers grounding electrode conductor sizing.
    3. NEC Article ______ defines breakers and fuses.
    4. _____ determines what size ground wire used on a service.
87. A Direct burial clamp is needed to properly connect number 4 copper to a ground rod.
    1. Electricians must use a(n) _____ to properly connect number 4 copper to a ground rod.
    2. A metal fence should be attached to a ground rod?
    3. What is the proper way to test conduit for proper grounding?
    4. Electricians may use rebar as a grounding means. (True or False)
88. A bonding screw is green.
    1. A bonding screw is what color?
    2. A grounding conductor is what color?
    3. NEC Chapter 9, Table 4, states,
    4. Define the term grounding conductor.
89. False, Fuses on the load side do not protect the transformer.
    1. Fusing the load side of a transformer sufficiently protects the transformer. (True or False)
    2. As the diameter of wire increases, resistance to flow increases. (True or False)
    3. Leads to an unused current transformer should be.
    4. A whirlpool tub requires GFCI protection. (True or False)
90. 1. Branch circuit in which the initial run is encased in AC up to the first receptacle, which is mounted in a plastic box.
    2. Branch circuit in which the initial run is encased in AC up to the first receptacle, which is mounted in a metal box.
    3. clothes closet measuring more than 10 sq ft.
    1. Small power tools are protected in what two ways?
    2. What does NEC Section 250-28A require?
    3. A _____-amp breaker goes on a 12 AWG wire.
    4. Name 3 situations AFCI protection is required.
91. NEC 220.16 - 220.20 cover appliance calculations.
    1. NEC Chapter _____ specifies conduit fill requirements for fiber-optic cabling.
    2. Which NEC Section covers equipment grounding conductors.
    3. In what sections does NEC outline the requirements for appliance calculations?
    4. Which NEC sections covers identification of equipment grounding conductors?
92. A bonding jumper should be installed inside or outside raceway within 6ft. of attachment. (NEC 250.118)
    1. What is the topic of NEC Section 250-122?
    2. What is the difference between NFPA 70 and NEC?
    3. What is the subject of NEC Section 250-2D?
    4. What is the proper procedure for bonding a motor conduit with metal flex?
93. Heat, Magnetism, and Light
    1. When an ammeter is connected in parallel with a load, ______.
    2. The organization that sponsors the NEC, is the _____.
    3. NEC Article 526 helps electricians determine requirements for _____.
    4. In electric circuits, a load usually converts electrical energy to _____, _____, or _____.
94. Although not required by NEC, in general any receptacles below grade, including those in finished basements, should be GFCI protected. Receptacles in dwelling accessory building with floors at or below grade level require GFCI protection. unfinished basements require GFCI-protected receptacles.
    1. A bonding screw is what color?
    2. A finished basement should have GFCI protection.
    3. A switch should be _____ high off the floor?
    4. Which NEC article covers service drops?
95. Mechanical and Electrical continuity conductors.
    1. A grounding conductor is what color?
    2. NEC Section 250-134 provides information on what topic?
    3. NEC Section 300-13 provides information on?
    4. Which NEC Section covers ground terminal identification.
96. NEC Section 250-119 1-14
    1. When is building steel permitted in an electro grounding system?
    2. In what sections does NEC outline the requirements for appliance calculations?
    3. Which NEC sections covers identification of equipment grounding conductors?
    4. Which NEC article covers cable trays?
97. A 12in. counter requires a receptacle because it holds small appliances.
    1. The smaller kitchen counter requiring a receptacle is _____ inches.
    2. Using aluminum wire with receptacles must be _____.
    3. The standard length for IMC is?
    4. Small power tools are protected in what two ways?
98. A gounding system is connected to the ground or to a conductive body that extends the ground connection.
    1. Define the term grounding conductor.
    2. Define a grounding system according to NEC.
    3. Current is measured in _____.
    4. NEC Article 100 is dedicated to?
99. Ground and Arc are two types of electrical faults.
    1. _____ and ______ are two types of electrical faults.
    2. What is meant by the phrase shall be?
    3. Voltages of _____ or more are considered high.
    4. What determines the severity of an electrical shock?
100. Per NEC 230.40, "Every service drop or lateral shall supply only one set of service entrance conductors."
     1. What is the maximum number of sets of service conductors a service drop or lateral may supply?
     2. What is the proper way to test conduit for proper grounding?
     3. Which of the following is not a conductor? Gold, Silver, Copper Water, Air.
     4. NEC Table 250.66 applies to the derived conductors of separately derived AC systems. (True or False)
101. True
     1. When is building steel permitted in an electro grounding system?
     2. System and circuit grounding involves taking alternating current to ground? (True or False)
     3. Name two hazards found in a Class III hazardous environments.
     4. It is proper procedure to install an exhaust fan and light in a shower area. (True or False)
102. Chapter 9
     1. Annex _____ of NEC covers conduit fill.
     2. _____ determines what size ground wire used on a service.
     3. NEC Chapter _____ specifies conduit fill requirements for fiber-optic cabling.
     4. A(n) _____ is the fundamental particle of electricity.
103. False, a A/C unit needs only 220 and a ground to complete the circuit.
     1. An attic with a furnace requires a receptacle. (True or False)
     2. FMT conductors are appropriate for battery storage areas. (True or False)
     3. Air-conditioning units, hot water heaters, and baseboard heat require a four-wire system? (True or False)
     4. Why do dryers require a four-wire system?
104. Ground Rod
     1. A bonding screw is what color?
     2. The standard length for IMC is?
     3. The main ground on a service is a(n) _____.
     4. Current is measured in _____.
105. Per NEC 450.3, phases must arrange in a particular order: A, B, C, from left to right or from top to bottom as seen from the front.
     1. What is the NEC definition of a circuit breaker?
     2. What are NEC requirements for a receptacle on a peninsula?
     3. What is proper phase arrangement when wiring a three-phase panelboard?
     4. What new code is needed for protection in all habitable spaces?
106. True, Per NEC 422.31
     1. Motors and generators work the same way. (True or False)
     2. A metal fence should be attached to a ground rod?
     3. When local ordinance superseded or administers NEC, NEC uses what phrase?
     4. A garage door opener is considered an appliance for NEC purpose. (True or False)
107. NEC Article 250
     1. What is an outlet?
     2. Annex _____ of NEC covers conduit fill.
     3. NEC Article _____ address EMT.
     4. Which NEC Article covers grounding?
108. Water, lacks insulation qualities because it conducts electricity. As a result, it is one of the most hazardous substances in an electrical environment.
     1. What is the NEC definition of a circuit breaker?
     2. Which of the following NEC sections outlines which air-conditioning systems requires no grounding?
     3. Small power tools are protected in what two ways?
     4. Which of the following lacks insulation properties? Rubber, Air, Water, Mica, Paper
109. False, Per NEC 450.4 a OCPD is no needed.
     1. The smaller kitchen counter requiring a receptacle is _____ inches.
     2. What is the proper way to test conduit for proper grounding?
     3. When installing a cable tray, only the sections nearest the terminations must be grounded. (True or False)
     4. When installing an autotransformer, it is important to remember to insert an OCPD in series with the shunt winding. (True or False)
110. False, Current is fatal to people not Voltage
     1. Voltage can be fatal to a person. (True or False)
     2. A whirlpool tub requires GFCI protection. (True or False)
     3. Property owners can act as their own AHJs. (True or False)
     4. Extension cords are acceptable in wet areas. (True or False)
111. Although a 15amp breaker is above code, it is preferable when considering expansion.
     1. Differentiate between AC and DC.
     2. What factor determines circuit size?
     3. Explain the process of cad welding?
     4. A _____-amp breaker goes on a 12 AWG wire.
112. Receptacles must be installed on a peninsula when the peninsula's long edge is at least 24in. and its short edge is at least 12in.
     1. What new code is needed for protection in all habitable spaces?
     2. What are NEC requirements for a receptacle on a peninsula?
     3. What is the difference between NFPA 70 and NEC?
     4. Why do stoves require a four-wire system?
113. A mandatory act or condition
     1. Current is measured in _____.
     2. What does NEC Section 250-28A require?
     3. What is meant by the phrase shall be?
     4. What is meant by the term isolated grounded reciprocal?
114. inside
     1. In terms of AWG, what is the minimum grounding conductor size permitted?
     2. NEC Section 250-118 states that a grounded conduct must run _____ flexible conduit.
     3. _____ determines what size ground wire used on a service.
     4. Which NEC Section covers ground terminal identification.
115. To test conduit for proper grounding, check ohms or use 120V receptacle and touch to ground to check for voltage.
     1. What is the proper way to test conduit for proper grounding?
     2. What is meant by the phrase shall be?
     3. What is the topic of NEC Section 250-122?
     4. Discuss the proper way to ground a subpanel in another building.
116. True, Per NEC 300.11 hanging a second support when running new over old is acceptable and a common practice.
     1. When is building steel permitted in an electro grounding system?
     2. Threaded pipe can be used for bonding purposes? (True or False)
     3. When running new work over old, hanging a second support from a primary support is acceptable practice. (True or False)
     4. When establishing ground clearance in new construction. It is best to make the ground clearance slightly more than the NEC-stated requirement to provide a margin for error. (True or False)
117. A grounding conductor is a conductor or circuit of a wiring system to a grounding electrode (ground rod).
     1. NEC Chapter 9, Table 5, states,
     2. A bonding screw is what color?
     3. Annex _____ of NEC covers conduit fill.
     4. Define the term grounding conductor.
118. To ground a subpanel in the another building, run bare copper wire from subpanel to ground rod inside or outside.
     1. Explain the proper way to ground a subpanel in the same building.
     2. NEC Table _____ covers grounding electrode conductor sizing.
     3. What is the proper way to test conduit for proper grounding?
     4. Discuss the proper way to ground a subpanel in another building.
119. NEC Article 408 covers panel board applications.
     1. A subpanel requires a bonding screw? (True or False)
     2. The Panel Board requirements for Application in Construction appear in NEC Article?
     3. What are NEC requirements for a receptacle on a peninsula?
     4. The requirements for burying 240V conductors are found in NEC _____.
120. NEC 110.23 states that, "Unused current transformers associated with potentially energized circuits shall be short circuited."
     1. Leads to an unused current transformer should be.
     2. NEC Article _____ address EMT.
     3. NEC Chapter 9, Table 4, states,
     4. Explain the process of cad welding?
121. True, all equipment must be installed per manufacturer's instructions and specifications, The apparatus is void and violates NEC if this is not done.
     1. It is possible to violate the NEC by tightening a bolt or fastener too tight. (True or False)
     2. NEC allows electricians to ground gas pipes to existing, grounded water pipes. (True or False)
     3. System and circuit grounding involves taking alternating current to ground? (True or False)
     4. It is proper procedure to install an exhaust fan and light in a shower area. (True or False)
122. According to new codes, ARC fault protection is needed many additional parts of the house.
     1. What is the difference between NFPA 70 and NEC?
     2. What new code is needed for protection in all habitable spaces?
     3. Which NEC tables(s) cover(s) the fill of metal boxes?
     4. What are NEC requirements for a receptacle on a peninsula?
123. Per NEC 250.26, The Neutral conductor serves as ground.
     1. NEC Article 426 recognizes which three kinds of heating systems?
     2. In NEC terms, what does the phrase in sight mean?
     3. Voltages of _____ or more are considered high.
     4. In a multiphase system in which one phase is used as a single-phase source, which conductor serves as ground?
124. Two hots are needed to operate the heater neutral. The timers can serve as ground for tripping mechanism.
     1. Why do dryers require a four-wire system?
     2. What is the subject of NEC Section 250-2D?
     3. Why do stoves require a four-wire system?
     4. The NEC defines ampacity as,
125. Chapter 5
     1. NEC Chapters 1-4 governs basic practices in effect in hazardous areas, except as modified by specific requirements outlined in NEC Chapter _____.
     2. NEC Article 526 helps electricians determine requirements for _____.
     3. Extension cords are acceptable in wet areas. (True or False)
     4. Small power tools are protected in what two ways?
126. The sizes of copper and aluminum wire, as well as the coating of wire that has fewer than three current carrying wires in a cable or conduit or that is buried in the earth.
     1. Which NEC Section covers ground terminal identification.
     2. What does NEC Section 250-28A require?
     3. NEC Tables 310-10 through 310-21 provide information on.
     4. NEC Section 250-134 provides information on what topic?
127. Per NEC 220.84, A 21 unit building would be rated at 32% and any occupancy over 62 units rated at 23%
     1. How many watts should be allocated per square foot in a residence?
     2. Open conductors belonging to separate circuits must be separated by?
     3. What demand factor applies when calculating loading requirements for an apartment building with 21 units? A building with over 100 units?
     4. NEC Article 526 helps electricians determine requirements for _____.
128. False, via a green wire
     1. It is proper procedure to install an exhaust fan and light in a shower area. (True or False)
     2. All voltages in a circuit are referenced to Earth ground via a black wire. (True or False)
     3. A lighting circuit in more than one room is acceptable electrical practice. (True or False)
     4. Service drops must be installed so as to be "readily accessible." (True or False)
129. High impedance grounding is used for grounding radio towers. NEC 250.20(E)
     1. Which NEC Article covers grounding?
     2. The main ground on a service is a(n) _____.
     3. Name a common application for high impedance grounding.
     4. What is the proper way to test conduit for proper grounding?
130. Per NEC 422.11, The size of the breaker to use.
     1. A receptacle should be how high off the floor?
     2. What is the proper way to test conduit for proper grounding?
     3. What factor determines circuit size?
     4. Nameplates that rate protective devices describe which of the following?
131. NEC Article 230
     1. Which NEC tables(s) cover(s) the fill of metal boxes?
     2. Which NEC Article covers grounding?
     3. Explain the process of cad welding?
     4. Which NEC article covers service drops?
132. NEC 300.5, provides requirements up to 600V
     1. When an ammeter is connected in parallel with a load, ______.
     2. The requirements for burying 240V conductors are found in NEC _____.
     3. What are NEC requirements for a receptacle on a peninsula?
     4. Define a grounding system according to NEC.
133. True
     1. Threaded pipe can be used for bonding purposes? (True or False)
     2. Extension cords are acceptable in wet areas. (True or False)
     3. Current always flows from negative to positive. (True or False)
     4. Voltage can be fatal to a person. (True or False)
134. Per NEC 680.90(A), GFCI protection Must reside on whirlpool tubs.
     1. A subpanel requires a bonding screw? (True or False)
     2. Insulators like air, paper or rubber prevent arcing. (True or False)
     3. A whirlpool tub requires GFCI protection. (True or False)
     4. A 12-foot hallway requires one receptacle to meet code. (True or False)
135. False, grounding conuctors belong on the green screws.
     1. In electrical work, electrons are always balanced between two points. (True or False)
     2. Electricians should put grounded conductors on yellow reciprocal screws? (True or False)
     3. A garage door opener is considered an appliance for NEC purpose. (True or False)
     4. According to NEC, trees are approved service conductors. (True or False)
136. False, unless it is 8ft above the rim of the shower zone and listed for wet environments.
     1. Extension cords are acceptable in wet areas. (True or False)
     2. It is proper procedure to install an exhaust fan and light in a shower area. (True or False)
     3. What is the proper procedure for bonding a motor conduit with metal flex?
     4. In electrical work, electrons are always balanced between two points. (True or False)
137. NEC is also know as the NFPA 70
     1. What is the difference between NFPA 70 and NEC?
     2. What is the subject of NEC Section 250-2D?
     3. What is the NEC definition of a circuit breaker?
     4. What factor determines circuit size?
138. Terms and Definitions
     1. In a given NEC section, Subsection (2) contains _____.
     2. Differentiate between AC and DC.
     3. The organization that sponsors the NEC, is the _____.
     4. Using aluminum wire with receptacles must be _____.
139. Per NEC 100, Property owners can act as their own "Authority Having Jurisdiction" (AHJ)
     1. According to NEC, trees are approved service conductors. (True or False)
     2. Property owners can act as their own AHJs. (True or False)
     3. Name 3 situations AFCI protection is required.
     4. The negative terminal of a battery has a surplus of protons.(True or False)
140. According to NEC Article 100, a device that opens and closes a circuit by nonautomatic means automatically closes for a predetermined overcurrent.
     1. When NEC Article 100 describes "Feeder" as.
     2. NEC Section 300-13 provides information on?
     3. NEC Article ______ defines breakers and fuses.
     4. NEC Chapter 9, Table 5, states,
141. Chapter 9, Table 4 outlines trade size of conduit as well as raceway size.
     1. Which NEC Section covers equipment grounding conductors.
     2. Which NEC tables(s) cover(s) the fill of metal boxes?
     3. What NEC table would you go to to find trade size of conduit and raceway size?
     4. Which NEC chapter discusses fixture wiring and fixture wires.
142. False, No disconnect is required.
     1. When an ammeter is connected in parallel with a load, ______.
     2. When a service entrance wire is under at least 2 in. of concrete, a disconnect is required between meter base and panel. (True or False)
     3. What determines the severity of an electrical shock?
     4. _____ determines what size ground wire used on a service.
143. Circuit Breaker
     1. ______ are the subject of NEC Section 680-20.
     2. A(n) _____ circuit is designed and created for one load.
     3. A(n) _____ is the fundamental particle of electricity.
     4. A(n) _____ acts as a fuse, but is usually resettable.
144. False, NEC does not approve tress as service conductors.
     1. According to NEC, trees are approved service conductors. (True or False)
     2. A subpanel requires a bonding screw? (True or False)
     3. Voltage can be fatal to a person. (True or False)
     4. An attic with a furnace requires a receptacle. (True or False)
145. False, the smaller the diameter increases resistance to flow.
     1. As the diameter of wire increases, resistance to flow increases. (True or False)
     2. A TVSS provides adequate protection against lighting strikes. (True or False)
     3. In electrical work, electrons are always balanced between two points. (True or False)
     4. Electricians may use rebar as a grounding means. (True or False)
146. Electricians can use sheet metal screws for bonding when those screws are green and have hexagonal heads (NEC 250.8), but it is generally considered unwise.
     1. Give guidelines for using sheet metal screws as bonding agents.
     2. Leads to an unused current transformer should be.
     3. Define the term grounding conductor.
     4. Differentiate between AC and DC.
147. Definitions
     1. Which NEC article covers service drops?
     2. NEC Article 100 is dedicated to?
     3. Which NEC Article covers grounding?
     4. NEC Article _____ address EMT.
148. To make a proper grounding system using three 200-amp disconnects, use a ground wire of sufficient size to go from panel to panel with a lug, screw, or ground bar, if provided.
     1. The process of equipment _____ exposes current-carrying parts to a grounding system.
     2. Describe the process for bonding three 200-amp disconnects to make a proper grounding system.
     3. Threaded pipe can be used for bonding purposes? (True or False)
     4. Give guidelines for using sheet metal screws as bonding agents.
149. First determine whether the application is residential. For residential applications, the NEC provides no guidance. The answer for nonresidential applications is based on box fill. For these applications, most electricians calculate between 1 and 1.5 amperes per receptacle.
     1. Using aluminum wire with receptacles must be _____.
     2. What is the approach for determining the number of receptacles on a 20-amp circuit?
     3. Describe the information covered in NEC Article 230.9 (A)
     4. What are NEC requirements for a receptacle on a peninsula?
150. The thicker the wire. Gauge was designed to reflect the number of wires that can fit through an opening.
     1. Which NEC Section covers ground terminal identification.
     2. A metal fence should be attached to a ground rod?
     3. Current always flows from negative to positive. (True or False)
     4. In the standard U.S. system of wire sizes, from No.50 through No.4/0, the lower the number the _____ the wire.
151. 20ft. of bare copper not smaller than 2 AWG
     1. Define a grounding system according to NEC.
     2. Overcurrent insufficient to trip a breaker can prove hazardous under the right conditions. (True or False)
     3. A grounding conductor is what color?
     4. A ground ring encircling a building or structure, in direct with the earth consisting of at least _____ft. of bare copper not smaller than _____ AWG, shall be permitted as an electrode.
152. 6.25amps, 750 watts divided by 120V is 6.25amps
     1. A receptacle should be how high off the floor?
     2. If you have 750 watts total in bulbs, how many amps is it at 120V?
     3. The organization that sponsors the NEC, is the _____.
     4. Name two hazards found in a Class III hazardous environments.
153. Equipment fastened or connection between metal parts.
     1. NEC Section _____ oversees bonding of flexible type conduit.
     2. NEC Section 250-134 provides information on what topic?
     3. NEC Section 300-13 provides information on?
     4. A grounding conductor is what color?
154. True
     1. A 12-foot hallway requires one receptacle to meet code. (True or False)
     2. Fusing the load side of a transformer sufficiently protects the transformer. (True or False)
     3. A lighting circuit in more than one room is acceptable electrical practice. (True or False)
     4. Electricians may use rebar as a grounding means. (True or False)
155. NEC Articles 342, 344, and 358 outline the installation requirements of RMC, IMC, and EMT.
     1. Which NEC articles cover the installation requirements for RMC, IMC, and EMT?
     2. Which NEC sections covers identification of equipment grounding conductors?
     3. Which NEC Section covers equipment grounding conductors.
     4. NEC Article 526 helps electricians determine requirements for _____.
156. Per NEC 392.7(B) Bonding of all cable tray sections is required.
     1. When establishing ground clearance in new construction. It is best to make the ground clearance slightly more than the NEC-stated requirement to provide a margin for error. (True or False)
     2. NEC allows how many disconnects per service entrance?
     3. What kind of information does NEC Section 250-66 cover?
     4. When installing a cable tray, only the sections nearest the terminations must be grounded. (True or False)
157. 12ft.
     1. What is the topic of NEC Section 250-122?
     2. The required clearance for a 400-amp service drop across a major roadway is?
     3. What is the service drop distance, in feet, of a 200-amp service crossing residential property?
     4. Which NEC article covers service drops?
158. Per NEC 225.34, a maximum of six disconnects are allowed per service entrance.
     1. IN NEC 2008, what does Table 370.6A cover?
     2. What does NEC Section 250-28A require?
     3. NEC allows how many disconnects per service entrance?
     4. A bonding screw is what color?
159. False, The term electricity is defined as the imbalance in the negative charges, or electrons, between two points.
     1. Motors and generators work the same way. (True or False)
     2. A whirlpool tub requires GFCI protection. (True or False)
     3. In electrical work, electrons are always balanced between two points. (True or False)
     4. A TVSS provides adequate protection against lighting strikes. (True or False)
160. Grounding
     1. When is building steel permitted in an electro grounding system?
     2. A subpanel requires a bonding screw? (True or False)
     3. Describe the process for bonding three 200-amp disconnects to make a proper grounding system.
     4. The process of equipment _____ exposes current-carrying parts to a grounding system.
161. True, Per NEC Article 400, only when rated for wet areas.
     1. NEC Chapter 9, Table 5, states,
     2. FMT conductors are appropriate for battery storage areas. (True or False)
     3. Extension cords are acceptable in wet areas. (True or False)
     4. An attic with a furnace requires a receptacle. (True or False)
162. NEC Article 517
     1. Which NEC chapter discusses fixture wiring and fixture wires.
     2. NEC Article _____ addresses bonding requirements in healthcare facilities.
     3. NEC Article 526 helps electricians determine requirements for _____.
     4. NEC Section _____ oversees bonding of flexible type conduit.
163. "the current, in amperes, that a conductor can carry continuously under the conditions of use without exceeding its temperature rating"
     1. What does NEC Section 250-28A require?
     2. Which NEC article covers service drops?
     3. The NEC defines ampacity as,
     4. NEC Chapter 9, Table 5, states,
164. False, NEC 402.5 defines ampacity requirements for fixture wires.
     1. Electricians may use rebar as a grounding means. (True or False)
     2. NEC maintains no ampacity requirements for fixture wiring because all fixtures undergo the UL approval process. (True or False)
     3. NEC Table _____ covers grounding electrode conductor sizing.
     4. NEMA stands for National Electrical Manufacturers Association
165. Resistive, impedance, and skin effect.
     1. A whirlpool tub requires GFCI protection. (True or False)
     2. NEC Article 100 is dedicated to?
     3. A grounding conductor is what color?
     4. NEC Article 426 recognizes which three kinds of heating systems?
166. True, It is a good idea to exceed the requirements by a foot or two.
     1. When establishing ground clearance in new construction. It is best to make the ground clearance slightly more than the NEC-stated requirement to provide a margin for error. (True or False)
     2. What is the proper procedure for bonding a motor conduit with metal flex?
     3. When running new work over old, hanging a second support from a primary support is acceptable practice. (True or False)
     4. What is the proper way to test conduit for proper grounding?
167. Liquid Filled and Dry Versions
     1. Extension cords are acceptable in wet areas. (True or False)
     2. Typically, transformers are available in one of two types: _____ and _____.
     3. NEC Section 250-102 is devoted to equipment _____.
     4. In a given NEC section, Subsection (2) contains _____.
168. Heart fibrillation is the major cause of death from electrical shock. The shock disrupts the normal electrical brain to heart signals.
     1. ______ are the subject of NEC Section 680-20.
     2. The standard length for IMC is?
     3. Voltage can be fatal to a person. (True or False)
     4. The major cause of death from electrical shock is _____.
169. Per NEC 450.46 only transformers over 100KW require a drain, however installing a drain in case of dielectric spills is good practice.
     1. NEC Article 526 helps electricians determine requirements for _____.
     2. Name two hazards found in a Class III hazardous environments.
     3. Installation of a floor drain in a vault intended for wet transformer(s) is ______.
     4. NEC Section 250-102 is devoted to equipment _____.
170. A receptacle with NEMA 5-20R on it has an amperes rating of 20, will take a NEMA-5-15P or NEMA-5-20P plug, and has a voltage rating of 125.
     1. What is the subject of NEC Section 250-2D?
     2. What does NEC Section 250-28A require?
     3. What does it mean when a receptacle has "NEMA 5-20R" on it?
     4. What is meant by the phrase shall be?
171. Breaker Rating determines ampacity, or size, of a circuit.
     1. What factor determines circuit size?
     2. A bonding screw is what color?
     3. Define a parallel circuit?
     4. What is the subject of NEC Section 250-2D?
172. Deicing systems
     1. NEC Article 526 helps electricians determine requirements for _____.
     2. The main ground on a service is a(n) _____.
     3. In a given NEC section, Subsection (2) contains _____.
     4. What three areas of a residence require 20-amp circuits?
173. Because garage space is not considered livable space, subtract its area from the total living area. The home's livable area 28 x 40 is 1,120ft.
     1. Give guidelines for using sheet metal screws as bonding agents.
     2. A metal fence should be attached to a ground rod?
     3. Name a common application for high impedance grounding.
     4. A home has dimensions of 28 x 52 ft., which includes a 28 x 12 ft. garage. What is the home's total living area in square feet?
174. Per NEC 220.13, use 100% of the first 10KW and 50% of the demand above 10KW. In this case, the demand factor would be 10,000 plus half the remaining 10,000 or 15,000W
     1. Which NEC articles cover the installation requirements for RMC, IMC, and EMT?
     2. Threaded pipe can be used for bonding purposes? (True or False)
     3. How would demand be calculated in a commercial environment in which a branch circuit could effectively handle 20 KW?
     4. What new code is needed for protection in all habitable spaces?
175. NEC Article 392
     1. Which NEC Article covers grounding?
     2. NEC Article _____ address EMT.
     3. Which NEC article covers cable trays?
     4. What is an outlet?
176. True (NEC 250.92B)
     1. NEC requires a panelboard circuit directory. (True or False)
     2. Shoulder fittings with locknuts are allowable as bonding devices? (True or False)
     3. Insulators like air, paper or rubber prevent arcing. (True or False)
     4. Voltage can be fatal to a person. (True or False)
177. Bonding jumpers
     1. The NEC defines ampacity as,
     2. The standard length for IMC is?
     3. What is an outlet?
     4. What is the subject of NEC Section 250-2D?
178. 1. Bonding jumper is sized not less than 12.5% of the largest phase conductor.
     
     2. Based on the largest ungrounded service conductor.
     
     3. Based on the largest sum of the service conductors.
     1. NEC Table _____ covers grounding electrode conductor sizing.
     2. Name 3 situations AFCI protection is required.
     3. Name the methods of sizing bonding jumpers outlined in NEC Section 250-28D.
     4. Equipment grounding conductor _____ is (are) discussed in NEC Section 250-130.
179. False, Per NEC 450.23-26 liquid-filled transformers have different requirements based on the dielectric fluid.
     1. The requirements for liquid-filled transformers are the same regardless of the liquid used in the transformer. (True or False)
     2. The organization that sponsors the NEC, is the _____.
     3. Why do dryers require a four-wire system?
     4. The Panel Board requirements for Application in Construction appear in NEC Article?
180. Two hots are needed to operate the stove neutral. The timers and clocks can serve as ground for tripping mechanism.
     1. The standard length for IMC is?
     2. What factor determines circuit size?
     3. The NEC defines ampacity as,
     4. Why do stoves require a four-wire system?
181. Smaller its AWG
     1. ______ are the subject of NEC Section 680-20.
     2. What is the difference between NFPA 70 and NEC?
     3. What three areas of a residence require 20-amp circuits?
     4. The larger the diameter of a piece of wire, the _____ its AWG value.
182. False, NEC 312.3, disallows recessing panels in flammable walls.
     1. An electrician can safely recess a panel board into a flammable wall. (True or False)
     2. An attic with a furnace requires a receptacle. (True or False)
     3. Threaded pipe can be used for bonding purposes? (True or False)
     4. Motors and generators work the same way. (True or False)
183. OCPD
     1. Per NEC 450.3, when a transformer is enclosed, install _____ fuses at the transformer's primary.
     2. IN NEC 2008, what does Table 370.6A cover?
     3. The way to ground a transformer in a commercial building is to place a grounding rod inside the building? (True or False)
     4. In NEC terms, what does the phrase in sight mean?
184. Three residential areas that require 20-amp circuits are the kitchen, bathroom, and laundry room.
     1. What are NEC requirements for a receptacle on a peninsula?
     2. Why do stoves require a four-wire system?
     3. What factor determines circuit size?
     4. What three areas of a residence require 20-amp circuits?
185. sledge hammer, hammer drill, and ground rod pounders
     1. Name some tools for installing ground rods.
     2. A metal fence should be attached to a ground rod?
     3. Name a common application for high impedance grounding.
     4. Name 3 situations AFCI protection is required.
186. True
     1. NEC Article _____ outlines the restrictions for using plastic junction or device boxes.
     2. NEC section 250-28A provides information on what material can be used for a main bonding jumper. (True or False)
     3. NEC Table _____ covers grounding electrode conductor sizing.
     4. Name a common application for high impedance grounding.
187. NEC requires a clearance width of 30in. and a clearance depth of 36in.
     1. In front of a panel from floor to ceiling, how much clearance depth is needed?
     2. Name a common application for high impedance grounding.
     3. Current always flows from negative to positive. (True or False)
     4. If you have 750 watts total in bulbs, how many amps is it at 120V?
188. In a parallel circuit, each load is connected in a separate path. In a circuit schematic, the branch lines are parallel.
     1. What is an outlet?
     2. Current is measured in _____.
     3. The standard length for IMC is?
     4. Define a parallel circuit?
189. NEC Section 250-118
     1. Which NEC Section covers equipment grounding conductors.
     2. NEC defines "Bonding" as,
     3. NEC Table _____ covers grounding electrode conductor sizing.
     4. Which NEC sections covers identification of equipment grounding conductors?
190. Annex C of NEC covers conduit and tubing fill for conductors and fixture wire fill.
     1. The NEC defines ampacity as,
     2. Voltages of _____ or more are considered high.
     3. What factor determines circuit size?
     4. Annex _____ of NEC covers conduit fill.
191. To locate wire type and size to be installed. Repeat for each conductor, keeping a running total. Derate by 40% to ge the total raceway area.
     1. NEC defines "Bonding" as,
     2. NEC Article _____ address EMT.
     3. NEC Chapter 9, Table 5, states,
     4. What is an outlet?
192. 15v 120V/8
     1. A transformer has a voltage ratio of 8:1 and an input of 120V. What is the output Voltage?
     2. Extension cords are acceptable in wet areas. (True or False)
     3. A 10 AWG wire carries how many amps? (What size breaker?)
     4. The larger the diameter of a piece of wire, the _____ its AWG value.
193. Damage may occur in the meter and or personal injury.
     1. The NEC defines ampacity as,
     2. When an ammeter is connected in parallel with a load, ______.
     3. What factor determines circuit size?
     4. What determines the severity of an electrical shock?
194. The National Fire Protection Association (NFPA) sponsors the NEC
     1. The standard length for IMC is?
     2. Current is measured in _____.
     3. The main ground on a service is a(n) _____.
     4. The organization that sponsors the NEC, is the _____.
195. NEC Table 250.66
     1. NEC Table _____ covers grounding electrode conductor sizing.
     2. NEC Section _____ oversees bonding of flexible type conduit.
     3. Describe a grounding conductor.
     4. Define a grounding system according to NEC.
196. Chapter 3
     1. Which NEC Section covers equipment grounding conductors.
     2. Which NEC chapter discusses fixture wiring and fixture wires.
     3. Which NEC Section covers ground terminal identification.
     4. NEC Chapter 9, Table 5, states,
197. amperes, named after the French scientist, Andre Marie Ampere
     1. NEC Article _____ address EMT.
     2. Current is measured in _____.
     3. Describe a grounding conductor.
     4. The main ground on a service is a(n) _____.
198. False, ceiling tiles are never appropriate device support.
     1. As the diameter of wire increases, resistance to flow increases. (True or False)
     2. In electrical work, electrons are always balanced between two points. (True or False)
     3. Per NEC Article 410, luminaires may mount on drop-ceiling tiles. (True or False)
     4. Voltage can be fatal to a person. (True or False)
199. 3ft.
     1. Open conductors belonging to separate circuits must be separated by?
     2. The major cause of death from electrical shock is _____.
     3. Using aluminum wire with receptacles must be _____.
     4. According to NEC 230.9(A), an unsheathed service conductor must be _____ft. from a window that opens.
200. True, like a refrigerator the appliance should continue running when another component fails, the grounding system must be able to support the service on its own.
     1. NEC Article 100 is dedicated to?
     2. In a given NEC section, Subsection (2) contains _____.
     3. According to good engineering practice, a sump pump requires a dedicated circuit.
     4. What kind of information does NEC Section 250-66 cover?
201. Per NEC 402.3, FFH-2 fixture wiring is useable up to 75 degrees C
     1. The standard length for IMC is?
     2. When is building steel permitted in an electro grounding system?
     3. The maximum operating temperature of type FFH-2 fixture wiring is?
     4. Voltage can be fatal to a person. (True or False)
202. NEC requires a minimum of 3 watts per residential sq ft. The kitchen may require more for better lighting.
     1. What is meant by the term isolated grounded reciprocal?
     2. In NEC terms, what does the phrase in sight mean?
     3. How many watts should be allocated per square foot in a residence?
     4. What is meant by the phrase shall be?
203. NEC 90.1(C)
     1. Which NEC guidelines guarantee the best workmanship and safest installations possible.
     2. Give guidelines for using sheet metal screws as bonding agents.
     3. Which NEC chapter discusses fixture wiring and fixture wires.
     4. NEC _____ outlines the requirements fo AC type (armored) cable.
204. Electron
     1. A(n) _____ acts as a fuse, but is usually resettable.
     2. NEC Chapter 9, Table 5, states,
     3. NEC _____ outlines the requirements fo AC type (armored) cable.
     4. A(n) _____ is the fundamental particle of electricity.
205. True, Per NEC 422.31
     1. It is possible to violate the NEC by tightening a bolt or fastener too tight. (True or False)
     2. A lighting circuit in more than one room is acceptable electrical practice. (True or False)
     3. When a service entrance wire is under at least 2 in. of concrete, a disconnect is required between meter base and panel. (True or False)
     4. Appliances with motors over 0.125 hp must have a separate means of disconnect. (True or False)
206. False, A bonding screw is unneeded in a subpanel.
     1. A subpanel requires a bonding screw? (True or False)
     2. Describe a grounding conductor.
     3. Motors and generators work the same way. (True or False)
     4. A bonding screw is what color?
207. "All circuit conductors between the service equipment, the source of a separately derived system, or other power source of a separately derived system, or other power supply source and the final branch-circuit overcurrent device,"
     1. Which NEC Article covers grounding?
     2. NEC defines "Bonding" as,
     3. When NEC Article 100 describes "Feeder" as.
     4. NEC Article 100 is dedicated to?
208. False, a TVSS is only for protecting against predictable anomalies, and short-duration spikes of high-voltage.
     1. A whirlpool tub requires GFCI protection. (True or False)
     2. FMT conductors are appropriate for battery storage areas. (True or False)
     3. A TVSS provides adequate protection against lighting strikes. (True or False)
     4. Insulators like air, paper or rubber prevent arcing. (True or False)
209. Exothermic welding involves the fusion of metal materials or copper to rebar.
     1. Explain the process of cad welding?
     2. Current is measured in _____.
     3. Define a parallel circuit?
     4. What is the topic of NEC Section 250-122?
210. 14 gauge; 2
     
     12 gauge; 2.25
     
     10 gauge; 3
     1. A subpanel requires a bonding screw? (True or False)
     2. How many cubic inches does each wire take for:
        14 gauge ________.
        
        12 gauge ________.
        
        10 gauge ________.
     3. Why do stoves require a four-wire system?
     4. Which of the following is considered a service ground?
        1. water pipe
        2. ground rod(s)
        3. ceramic well housing
        4. chain link fence post
211. Yes, a receptacle is required in close proximity to an air-conditioning unit. At most, it must be 25ft. distant.
     1. Voltage can be fatal to a person. (True or False)
     2. NEC Section _____ oversees bonding of flexible type conduit.
     3. In a three-phase delta system, the leg with the highest voltage must be _____.
     4. Is a receptacle needed close to an air-conditioning unit? If so, how close must it be?
212. Dedicated
     1. The NEC defines ampacity as,
     2. A receptacle should be how high off the floor?
     3. In NEC terms, what does the phrase in sight mean?
     4. A(n) _____ circuit is designed and created for one load.
213. 7.5amps, 1,800 watts divided by 240V is 7.5amps
     1. If you have 1,800 watts for baseboard heat, at 240V how many amps are there?
     2. In NEC terms, what does the phrase in sight mean?
     3. A 10 AWG wire carries how many amps? (What size breaker?)
     4. If you have 750 watts total in bulbs, how many amps is it at 120V?
214. 1. Air-borne Particulate
     2. Sawdust
     1. Name 3 situations AFCI protection is required.
     2. Describe a grounding conductor.
     3. Name two hazards found in a Class III hazardous environments.
     4. Name some tools for installing ground rods.
215. Each receptacle or switch counts as 2 conductors, and 14 AWG wire conductors require 2 cu.in. each. Therefore, 2 conductors x 2 cu.in. = 4 cu. in. Add to this 2 for the yoke and 2 for the ground for a total 0f 8 cu.in.
     1. What is the NEC definition of a circuit breaker?
     2. What NEC table would you go to to find trade size of conduit and raceway size?
     3. NEC Article 526 helps electricians determine requirements for _____.
     4. A receptacle or a switch with 14-2 entering it counts as _____ cubic inches.
216. Given that power equals voltage times resistance, power in this example is 24 watts (2amp x 12V)
     1. A 10 AWG wire carries how many amps? (What size breaker?)
     2. A circuit using 2 amps of current with 12V applied dissipates how much current?
     3. Give guidelines for using sheet metal screws as bonding agents.
     4. Discuss the proper way to ground a subpanel in another building.
217. Water Pipe, A grounding system designed as a main service ground takes priority over a system that provides grounding alone. While requiring as large a grounding surface area as possible is advantageous, the grounding system must be able to support the service on its own.
     1. What NEC table would you go to to find trade size of conduit and raceway size?
     2. NEC allows how many disconnects per service entrance?
     3. _____ determines what size ground wire used on a service.
     4. Which of the following is considered a service ground?
        1. water pipe
        2. ground rod(s)
        3. ceramic well housing
        4. chain link fence post
218. The size of the largest conductor determines what size ground wire used on a service.
     1. _____ determines what size ground wire used on a service.
     2. Discuss the proper way to ground a subpanel in another building.
     3. Define the term grounding conductor.
     4. Which NEC Article covers grounding?
219. An isolated grounded reciprocal is a separate ground from a device directly to a panel.
     1. Explain where and why isolated systems are used.
     2. What is meant by the term isolated grounded reciprocal?
     3. NEC Article 100 is dedicated to?
     4. What is an outlet?
220. Equipment Bonding Jumpers
     1. NEC Section 250-102 is devoted to equipment _____.
     2. NEC Article _____ address EMT.
     3. The organization that sponsors the NEC, is the _____.
     4. The standard length for IMC is?
221. NEC Article 386 covers metallic or metal raceway; NEC Article 388 covers PVC pipe.
     1. Annex _____ of NEC covers conduit fill.
     2. NEC Articles _____ and _____ covers metallic and non-metallic raceways in buildings.
     3. NEC Article ______ defines breakers and fuses.
     4. NEC Article _____ outlines the restrictions for using plastic junction or device boxes.
222. Marked CO/ALR
     1. NEC Article 100 is dedicated to?
     2. Using aluminum wire with receptacles must be _____.
     3. In a given NEC section, Subsection (2) contains _____.
     4. Current is measured in _____.
223. False, The negative terminal has a surplus of electrons and the positive terminal has a surplus of protons
     1. The negative terminal of a battery has a surplus of protons.(True or False)
     2. _____ determines what size ground wire used on a service.
     3. A 10 AWG wire carries how many amps? (What size breaker?)
     4. A 12-foot hallway requires one receptacle to meet code. (True or False)
224. An Intrinsically Safe System.
     1. Name two hazards found in a Class III hazardous environments.
     2. Typically, transformers are available in one of two types: _____ and _____.
     3. A circuit that cannont cause a fire in a hazardous condition is called a(n) _____ system.
     4. Threaded pipe can be used for bonding purposes? (True or False)
225. A main bonding jumper and a system bonding jumper.
     1. What is an outlet?
     2. NEC Article 100 is dedicated to?
     3. Which NEC Article covers grounding?
     4. What does NEC Section 250-28A require?
226. Per NEC 90.4, 510.2, and various local codes, occupancy is permitted in the event of a code violation as long as the occupancy remains unchanged and no hazardous condition exists.
     1. How does an NEC violation affect the occupancy of an existing installation?
     2. What is the subject of NEC Section 250-2D?
     3. NEMA stands for National Electrical Manufacturers Association
     4. What are NEC requirements for a receptacle on a peninsula?
227. To ground a subpanel in the same building, run a four-wire system from main panel to subpanel.
     1. The main ground on a service is a(n) _____.
     2. Define a grounding system according to NEC.
     3. What is the difference between NFPA 70 and NEC?
     4. Explain the proper way to ground a subpanel in the same building.
228. 120V
     1. Name some tools for installing ground rods.
     2. Define a parallel circuit?
     3. Voltages of _____ or more are considered high.
     4. What is the topic of NEC Section 250-122?
229. 18ft.
     1. According to NEC, trees are approved service conductors. (True or False)
     2. Threaded pipe can be used for bonding purposes? (True or False)
     3. The required clearance for a 400-amp service drop across a major roadway is?
     4. Which NEC article covers cable trays?