50 Multiple choice questions

1. 8 AWG copper
   1. When installing underground rigid non metallic conduit and other approved nonmetallic raceways under a building, it must have a minimum of _____ inches of cover.
      a. 6
      b. 12
      c. 0
      d. 24
      Article 300.5, Table 300.5 Col 3 Minimum Cover Requirements, pg. 138
   2. What size THHN conductor is required for a 50 ampere circuit if the equipment terminals are listed for 75 degrees Centigrade conductor sizing? Reference Table 310.16
      a. 10 AWG copper
      b. 8 AWG copper
      c. 6 AWG copper
      d. 4 AWG copper
      Article 110.14(C)(1)Temperature limitations, equipment provisions.. pg. 36 also table 310-15 (2011)pg. 154
   3. Where bare or covered conductors are installed with insulated conductors, the temperature rating of the bare or covered conductor shall be _________
      a. 60 degrees C
      b. greater than the lowest temperature rating of the insulated conductors for the purpose of determining ampacity.
      c. 90 degrees C
      d. equal to the lowest temperature rating of the insulated conductors for the purpose of determining ampacity.
      Article 310.15(B)(4) Bare or Covered Conductors, pg. 152
   4. The neutral conductor of a 3 wire branch circuit supplying a household electric range shall be permitted to be smaller than the ungrounded conductors where the maximum demand of a range of 8 3/4 KW or more has been calculated according to Column C of Table 220.55. However, the neutral ampacity shall not be less than ______ percent of the branch circuit rating, and not smaller than No. _____
      a. 50 and 6
      b. 70 and 6
      c. 50 and 10
      d. 70 and 10.
      Article 210.19(A)(3) Exception 2 Household Ranges and cooking appliances, pg. 53
2. 60
   1. Aluminum cable trays shall not be used as equipment grounding conductors for circuits with ground fault protection above _____ amperes.
      a. 2000
      b. 300
      c. 500
      d. 1200
      In 2008, Article 392.3(C)and 392.7(b) and Table 392.7(B) note b
      In 2011 Article 392.60(A) note b pg. 244
   2. Type MV is defined as a single or multiconductor solid dielectric insulated cable rated _________volts or higher.
      a. 601
      b. 2000
      c. 2001
      d. 4160
      Article 328.2 Medium Voltage Cable Type MV pg. 192
   3. Where bare or covered conductors are installed with insulated conductors, the temperature rating of the bare or covered conductor shall be _________
      a. 60 degrees C
      b. greater than the lowest temperature rating of the insulated conductors for the purpose of determining ampacity.
      c. 90 degrees C
      d. equal to the lowest temperature rating of the insulated conductors for the purpose of determining ampacity.
      Article 310.15(B)(4) Bare or Covered Conductors, pg. 152
   4. Fixed electric space heating equipment requiring supply conductors with insulation rated over ____ degrees Centigrade shall be clearly marked.
      a. 75
      b. 60
      c. 90
      d. a,b, and c
      Article 424.11 supply conductors, pg 296
3. limiting means
   1. Conductors in sizes smaller than 1/0 AWG shall be permitted to be run in parallel to supply indicating instruments, contactors, relays, solenoids, and similar control devices, or for frequencies of 360 HZ or higher, provided which of the following apply:
      a. They are contained within the same raceway or cable
      b. The ampacity of each individual conductor is sufficient to carry the entire load current shared by the parallel conductors.
      c. The overcurrent protection is such that the ampacity of each individual conductor will not be exceeded if one or more of the parallel conductors become inadvertently disconnected.
      d. all of the above
      Article 310.1(H) exception 1 pg 148
   2. For electrode type boilers, each boiler shall be designed so that in normal operation there is no change in state of the heat transfer medium, and shall be equipped with a temperature sensitive ________.
      a. protective device
      b. limiting means
      c. shut off device
      d. all of these
      Article 424.83 Overtemperature limit control pg. 302
   3. In a dwelling unit, receptacle spacing, shall be installed as such that no point measured horizontally along the floor line in any wall space may be more than _____ feet from a receptacle outlet.
      a. 12
      b. 10
      c. 8
      d. 6
      Article 210.52(A)(1) Spacing pg. 56
   4. Ground fault protection of equipment shall be provided by electric heat tracing and heating panels. This requirement shall not apply in industrial establishments where there is alarm indication of ground faults and the following conditions apply:
      a. Conditions of maintenance and supervision ensure that only qualified persons service the installed systems
      b. Continued circuit operation is necessary for safe operation of equipment or processes
      c. a and b
      d. none of these.
      ARticle 427.22 Ground Fault Protection of equipment pg. 308
4. a, b, and c
   1. All wiring shall be installed so that the completed system will be free from ______
      a. short circuits
      b. ground faults
      c. a and b
      d. defects
      Article 110.7 Wiring integrity pg. 35
   2. The metallic sheath of communications cables entering buildings shall be _______.
      a. grounded at the point of emergence through an exterior wall
      b. grounded at the point of emergence through a concrete floor slab
      c. interrupted as close to the point of entrance as practicable by an insulating joint.
      d. a, b, and c.
      Articles 800.93(A) Grounding or interruption of metallic sheath members of communication cables (pg, 673) and Article 800.2 definitions, pg. 670
   3. The NEC permits lighting fixture tap conductors to be a minimum of ____ inches long.
      a. 12
      b. 36
      c. 24
      d. 18
      Article 410.117(C) Tap conductors pg. 286
   4. Lampholders installed over highly combustible material shall be of the ________ type.
      a. industrial
      b. switched
      c. unswitched
      d. residential
      Article 410.12 Luminaries over Combustible material pg. 281
5. panelboard(s)
   1. Where bare or covered conductors are installed with insulated conductors, the temperature rating of the bare or covered conductor shall be _________
      a. 60 degrees C
      b. greater than the lowest temperature rating of the insulated conductors for the purpose of determining ampacity.
      c. 90 degrees C
      d. equal to the lowest temperature rating of the insulated conductors for the purpose of determining ampacity.
      Article 310.15(B)(4) Bare or Covered Conductors, pg. 152
   2. Where the load is calculated on the basis of volt amperes per square foot, the load shall be evenly proportioned among multioutlet branch circuits within the ___________.
      a.premises
      b. branch circuits
      c. panelboard(s)
      d. dwelling unit
      Article 210.11(B)Load evenly proportioned among branch circuits pg. 51
   3. What size THHN conductor is required for a 50 ampere circuit if the equipment terminals are listed for 75 degrees Centigrade conductor sizing? Reference Table 310.16
      a. 10 AWG copper
      b. 8 AWG copper
      c. 6 AWG copper
      d. 4 AWG copper
      Article 110.14(C)(1)Temperature limitations, equipment provisions.. pg. 36 also table 310-15 (2011)pg. 154
   4. Hazardous locations are classified depending on the properties of the ______, that may be present, and the likelihood that a flammable or combustible concentration or quantity is present.
      a. flammable gas
      b. flammable liquid produced vapor
      c. combustible dusts or fibers/flyings
      d. a,b,and c
      Article 500.5(A) Classifications of locations pg. 369
6. 18
   1. In dwelling units, the voltage between conductors shall not exceed 120 volts, nominal, between conductors that supply terminals of _________________________
      a. luminaires
      b. cord and plug connected loads of 1440 VA nominal or less
      c. cord and plugged connected loads of 1440 VA nominal or more
      d. a and b
      Article 210.6(a) Branch-Circuit Voltage Limitations, Occupancy Limitation pg. 49
   2. Emergency Lighting Unit Equipment (battery pack) shall be on the same branch circuit as that serving the normal lighting in the area and connected _______of any local switches.
      a. separately
      b. ahead
      c. after
      d. none of these
      Article 700.12(F)sources of power, Unit Equipment pg. 625
   3. The NEC permits lighting fixture tap conductors to be a minimum of ____ inches long.
      a. 12
      b. 36
      c. 24
      d. 18
      Article 410.117(C) Tap conductors pg. 286
   4. The connection between a grounded conductor and the equipment grounding conductor at the service is accomplished with the use of a _________.
      a. main bonding jumper sized per 250.66
      b. system bonding jumper sized per 250.66
      c. equipment bonding conductor sized per 250.122
      d. main bonding jumper sized per 250.122
      Article 100 Definitions (pg 26)and Article 250 grounding and bonding pg 115
7. unswitched
   1. The metallic sheath of communications cables entering buildings shall be _______.
      a. grounded at the point of emergence through an exterior wall
      b. grounded at the point of emergence through a concrete floor slab
      c. interrupted as close to the point of entrance as practicable by an insulating joint.
      d. a, b, and c.
      Articles 800.93(A) Grounding or interruption of metallic sheath members of communication cables (pg, 673) and Article 800.2 definitions, pg. 670
   2. Lampholders installed over highly combustible material shall be of the ________ type.
      a. industrial
      b. switched
      c. unswitched
      d. residential
      Article 410.12 Luminaries over Combustible material pg. 281
   3. All wiring shall be installed so that the completed system will be free from ______
      a. short circuits
      b. ground faults
      c. a and b
      d. defects
      Article 110.7 Wiring integrity pg. 35
   4. Hazardous locations are classified depending on the properties of the ______, that may be present, and the likelihood that a flammable or combustible concentration or quantity is present.
      a. flammable gas
      b. flammable liquid produced vapor
      c. combustible dusts or fibers/flyings
      d. a,b,and c
      Article 500.5(A) Classifications of locations pg. 369
8. Askarel
   1. Aluminum cable trays shall not be used as equipment grounding conductors for circuits with ground fault protection above _____ amperes.
      a. 2000
      b. 300
      c. 500
      d. 1200
      In 2008, Article 392.3(C)and 392.7(b) and Table 392.7(B) note b
      In 2011 Article 392.60(A) note b pg. 244
   2. Ground fault protection of equipment shall be provided by electric heat tracing and heating panels. This requirement shall not apply in industrial establishments where there is alarm indication of ground faults and the following conditions apply:
      a. Conditions of maintenance and supervision ensure that only qualified persons service the installed systems
      b. Continued circuit operation is necessary for safe operation of equipment or processes
      c. a and b
      d. none of these.
      ARticle 427.22 Ground Fault Protection of equipment pg. 308
   3. Fixed electric space heating equipment requiring supply conductors with insulation rated over ____ degrees Centigrade shall be clearly marked.
      a. 75
      b. 60
      c. 90
      d. a,b, and c
      Article 424.11 supply conductors, pg 296
   4. A nonflammable synthetic insulating media known as ____________, which under arcing conditions, the gasses produced, while consisting predominantly of noncombustible hydrogen chloride, can include varying amounts of combustible gasses.
      a. Mineral Oil
      b. Poly Chlorinated Bi-Phenol
      c. Askarel
      d. Phenol
      Article 100, Definitions pg. 26
9. current
   1. Ground fault protection of equipment shall be provided by electric heat tracing and heating panels. This requirement shall not apply in industrial establishments where there is alarm indication of ground faults and the following conditions apply:
      a. Conditions of maintenance and supervision ensure that only qualified persons service the installed systems
      b. Continued circuit operation is necessary for safe operation of equipment or processes
      c. a and b
      d. none of these.
      ARticle 427.22 Ground Fault Protection of equipment pg. 308
   2. Types of pipeline resistive heaters are heating _______
      a. blankets
      b. tape
      c. barrels
      d. A and B
      Article 427.2 Definitions, resistance heating element pg. 307
   3. Emergency Lighting Unit Equipment (battery pack) shall be on the same branch circuit as that serving the normal lighting in the area and connected _______of any local switches.
      a. separately
      b. ahead
      c. after
      d. none of these
      Article 700.12(F)sources of power, Unit Equipment pg. 625
   4. The over current protective devices, the total impedance, the component short circuit _____ ratings, and other characteristics of the circuit to be protected shall be selected and coordinated to permit the circuit protective devices used to clear a fault to do so without extensive damage to the electrical components of the circuit.
      a. withstand
      b. current
      c. overload
      d. interrupting
      Article 110.10 pg. 35
10. all of the above
    1. Open wiring on insulators within _____ feet from the floor shall be considered exposed to physical damage.
       a. 4
       b. 2
       c. 7
       d. 12
       Article 398.15(C)Exposed to physical damage pg. 249
    2. Ground fault protection of equipment shall be provided by electric heat tracing and heating panels. This requirement shall not apply in industrial establishments where there is alarm indication of ground faults and the following conditions apply:
       a. Conditions of maintenance and supervision ensure that only qualified persons service the installed systems
       b. Continued circuit operation is necessary for safe operation of equipment or processes
       c. a and b
       d. none of these.
       ARticle 427.22 Ground Fault Protection of equipment pg. 308
    3. In dwelling units, the voltage between conductors shall not exceed 120 volts, nominal, between conductors that supply terminals of _________________________
       a. luminaires
       b. cord and plug connected loads of 1440 VA nominal or less
       c. cord and plugged connected loads of 1440 VA nominal or more
       d. a and b
       Article 210.6(a) Branch-Circuit Voltage Limitations, Occupancy Limitation pg. 49
    4. In information technology rooms, an approved means shall be provided to disconnect power to __________________.
       a. all electronic equipment
       b. all dedicated HVAC systems serving the room
       c. shall cause all fire/smoke dampers to close
       d. all of the above
       Article 645.10 disconnecting means pg. 562
11. 50
    1. Branch circuits rated 15 or 20 amperes can supply fixed appliances(utilization equipment fastened in place) as long as the fixed appliances do not exceed _____ percent of the circuit rating.
       a. 125
       b. 100
       c. 80
       d. 50
       Article 210.23(A) (2) Utilization equipment fastened in place pg. 54
    2. Ground fault protection of equipment shall be provided by electric heat tracing and heating panels. This requirement shall not apply in industrial establishments where there is alarm indication of ground faults and the following conditions apply:
       a. Conditions of maintenance and supervision ensure that only qualified persons service the installed systems
       b. Continued circuit operation is necessary for safe operation of equipment or processes
       c. a and b
       d. none of these.
       ARticle 427.22 Ground Fault Protection of equipment pg. 308
    3. All branch circuits that supply 120 volt, single phase, 15 and 20 ampere branch circuits supplying outlets installed in dwelling unit family rooms, dining rooms, living rooms, parlors, libraries, dens, bedrooms, sunrooms, recreation rooms, closets, hallways or similar rooms or areas shall be _____ protected.
       a. AFCI(Arc Fault Circuit Interrupter)
       b. GFCI
       c. a and b
       d. ACFI
       Article 210.12(B) and (A) Branch circuit extensions or modifications- dwelling units. pg. 52
    4. Fixed electric space heating equipment requiring supply conductors with insulation rated over ____ degrees Centigrade shall be clearly marked.
       a. 75
       b. 60
       c. 90
       d. a,b, and c
       Article 424.11 supply conductors, pg 296
12. 100
    1. In a dwelling unit, receptacle spacing, shall be installed as such that no point measured horizontally along the floor line in any wall space may be more than _____ feet from a receptacle outlet.
       a. 12
       b. 10
       c. 8
       d. 6
       Article 210.52(A)(1) Spacing pg. 56
    2. What size THHN conductor is required for a 50 ampere circuit if the equipment terminals are listed for 75 degrees Centigrade conductor sizing? Reference Table 310.16
       a. 10 AWG copper
       b. 8 AWG copper
       c. 6 AWG copper
       d. 4 AWG copper
       Article 110.14(C)(1)Temperature limitations, equipment provisions.. pg. 36 also table 310-15 (2011)pg. 154
    3. Equipment is required to be installed and used according to any instructions included in the __________
       a. listed or published
       b. labeled or design
       c. listing or labeling
       d. a, b, and c.
       Article 110.3(B) Installation and Use pg. 35
    4. A single receptacle installed on an individual branch circuit must be rated at least _____ percent of the rating of the circuit.
       a. 50
       b. 60
       c. 80
       d. 100
       Article 210.21(B)(1)Single Recept. on Indiv. branch Circuit pg. 54
13. ampere
    1. The maximum allowable horse power rating of a permanently connected appliance where the branch circuit protection device is used as the appliance disconnecting means is _____ horsepower.
       a. 1/8
       b. 1/4
       c. 1/2
       d. 3/4
       Article 422.31(A)Disconnection of Permanently connected devices, pg. 293
    2. It shall be permitted to base the ____ rating of a range receptacle on a single range demand load specified in Table 220.55.
       a. circuit
       b. voltage
       c. ampere
       d. load
       Article 210.21(B)(4) Receptacles, pg. 54
    3. No ______ shall be attached to any terminal or lead so as to reverse designed polarity.
       a. grounded conductor
       b. grounding conductor
       c. ungrounded conductor
       d. grounding connector
       Article 200.11 Polarity of Connections pg. 48
    4. Type MV is defined as a single or multiconductor solid dielectric insulated cable rated _________volts or higher.
       a. 601
       b. 2000
       c. 2001
       d. 4160
       Article 328.2 Medium Voltage Cable Type MV pg. 192
14. a, b and c
    1. Class 1 control circuit conductors shall have over current protection _____________________
       a. for No. 14 AWG and larger
       b. not exceeding 7 amperes for No. 18 AWG and 10 amperes for No. 16 AWG
       c. and derating factors do not apply
       d. a, b and c
       Article 725.43 Class 1 Circuit Overcurrent Protection pg. 642
    2. Where bare or covered conductors are installed with insulated conductors, the temperature rating of the bare or covered conductor shall be _________
       a. 60 degrees C
       b. greater than the lowest temperature rating of the insulated conductors for the purpose of determining ampacity.
       c. 90 degrees C
       d. equal to the lowest temperature rating of the insulated conductors for the purpose of determining ampacity.
       Article 310.15(B)(4) Bare or Covered Conductors, pg. 152
    3. Direct buried conductors or cables shall be ______, providing those splices are made with approved methods and identified materials.
       a. permitted to be spliced without a splice box.
       b. spliced only in an approved junction box.
       c. spliced only in a weatherproof splice box
       d. none of these.
       Article 300.5(E) Splices and Taps, pg. 139
    4. The connection between a grounded conductor and the equipment grounding conductor at the service is accomplished with the use of a _________.
       a. main bonding jumper sized per 250.66
       b. system bonding jumper sized per 250.66
       c. equipment bonding conductor sized per 250.122
       d. main bonding jumper sized per 250.122
       Article 100 Definitions (pg 26)and Article 250 grounding and bonding pg 115
15. a and b
    1. A single receptacle installed on an individual branch circuit must be rated at least _____ percent of the rating of the circuit.
       a. 50
       b. 60
       c. 80
       d. 100
       Article 210.21(B)(1)Single Recept. on Indiv. branch Circuit pg. 54
    2. Lampholders installed over highly combustible material shall be of the ________ type.
       a. industrial
       b. switched
       c. unswitched
       d. residential
       Article 410.12 Luminaries over Combustible material pg. 281
    3. All wiring shall be installed so that the completed system will be free from ______
       a. short circuits
       b. ground faults
       c. a and b
       d. defects
       Article 110.7 Wiring integrity pg. 35
    4. No ______ shall be attached to any terminal or lead so as to reverse designed polarity.
       a. grounded conductor
       b. grounding conductor
       c. ungrounded conductor
       d. grounding connector
       Article 200.11 Polarity of Connections pg. 48
16. be bonded by either mechanical connections or bonding jumpers
    1. Where the load is calculated on the basis of volt amperes per square foot, the load shall be evenly proportioned among multioutlet branch circuits within the ___________.
       a.premises
       b. branch circuits
       c. panelboard(s)
       d. dwelling unit
       Article 210.11(B)Load evenly proportioned among branch circuits pg. 51
    2. Where bare or covered conductors are installed with insulated conductors, the temperature rating of the bare or covered conductor shall be _________
       a. 60 degrees C
       b. greater than the lowest temperature rating of the insulated conductors for the purpose of determining ampacity.
       c. 90 degrees C
       d. equal to the lowest temperature rating of the insulated conductors for the purpose of determining ampacity.
       Article 310.15(B)(4) Bare or Covered Conductors, pg. 152
    3. Where connected to a branch circuit supplying _____ or more receptacles or outlets, a receptacle shall not supply a total cord and plug connected load in excess of the maximum specified in Table 210.21(B)(2).
       a. two
       b. three
       c. four
       d. five
       Article 210.21(B)(2)Total cord and plug connected load pg. 54
    4. All exposed non current carrying metal parts of cranes, monorail hoists, hoists and accessories, including pendant controls shall_______, where applicable, so that the entire crane or hoist is a ground fault path as required or permitted by Article 250, Parts V and VII.
       a. be bonded with No. 6 AWG or larger conductors
       b. be bonded either by mechanical connections or bonding jumpers
       c. be grounded
       d. not be grounded
       Article 610.61 Grounding pg. 532
17. natural circulation of air and convection
    1. Electrical equipment that depends on the _____ principals for cooling of exposed surfaces shall be installed so that room airflow over such surfaces is not prevented by walls or adjacent installed equipment.
       a. convection
       b. natural circulation of air and convection
       c. artificial cooling and circulation
       d. air conditioning
       Article 110.13(B) Cooling, pg. 35
    2. Types TPT and TST cord shall be permitted in lengths not exceeding ___ feet when attached directly, or by means of a special type of plug, to a portable appliance rated 50 watts or less and of such nature that extreme flexibility of the cord is essential.
       a. 8
       b. 10
       c. 15
       d. 6
       Article 400.4, Table 400.4 note 4(Thermoplastic) pg. 257
    3. Direct buried conductors or cables shall be ______, providing those splices are made with approved methods and identified materials.
       a. permitted to be spliced without a splice box.
       b. spliced only in an approved junction box.
       c. spliced only in a weatherproof splice box
       d. none of these.
       Article 300.5(E) Splices and Taps, pg. 139
    4. Open wiring on insulators within _____ feet from the floor shall be considered exposed to physical damage.
       a. 4
       b. 2
       c. 7
       d. 12
       Article 398.15(C)Exposed to physical damage pg. 249
18. grounded conductor
    1. It shall be permitted to base the ____ rating of a range receptacle on a single range demand load specified in Table 220.55.
       a. circuit
       b. voltage
       c. ampere
       d. load
       Article 210.21(B)(4) Receptacles, pg. 54
    2. No ______ shall be attached to any terminal or lead so as to reverse designed polarity.
       a. grounded conductor
       b. grounding conductor
       c. ungrounded conductor
       d. grounding connector
       Article 200.11 Polarity of Connections pg. 48
    3. All wiring shall be installed so that the completed system will be free from ______
       a. short circuits
       b. ground faults
       c. a and b
       d. defects
       Article 110.7 Wiring integrity pg. 35
    4. A single receptacle installed on an individual branch circuit must be rated at least _____ percent of the rating of the circuit.
       a. 50
       b. 60
       c. 80
       d. 100
       Article 210.21(B)(1)Single Recept. on Indiv. branch Circuit pg. 54
19. 10 AWG
    1. Conductors in sizes smaller than 1/0 AWG shall be permitted to be run in parallel to supply indicating instruments, contactors, relays, solenoids, and similar control devices, or for frequencies of 360 HZ or higher, provided which of the following apply:
       a. They are contained within the same raceway or cable
       b. The ampacity of each individual conductor is sufficient to carry the entire load current shared by the parallel conductors.
       c. The overcurrent protection is such that the ampacity of each individual conductor will not be exceeded if one or more of the parallel conductors become inadvertently disconnected.
       d. all of the above
       Article 310.1(H) exception 1 pg 148
    2. The neutral conductor of a 3 wire branch circuit supplying a household electric range shall be permitted to be smaller than the ungrounded conductors where the maximum demand of a range of 8 3/4 KW or more has been calculated according to Column C of Table 220.55. However, the neutral ampacity shall not be less than ______ percent of the branch circuit rating, and not smaller than No. _____
       a. 50 and 6
       b. 70 and 6
       c. 50 and 10
       d. 70 and 10.
       Article 210.19(A)(3) Exception 2 Household Ranges and cooking appliances, pg. 53
    3. Conductors for an appliance circuit supplying more than one appliance receptacle in an installation operating at less than 50 volts shall not be smaller than No. _____copper or equivalent.
       a. 18 AWG
       b. 14 AWG
       c. 12 AWG
       d. 10 AWG
       Article 720.4 Conductors, pg 640
    4. Where connected to a branch circuit supplying _____ or more receptacles or outlets, a receptacle shall not supply a total cord and plug connected load in excess of the maximum specified in Table 210.21(B)(2).
       a. two
       b. three
       c. four
       d. five
       Article 210.21(B)(2)Total cord and plug connected load pg. 54
20. AFCI
    1. Branch circuits rated 15 or 20 amperes can supply fixed appliances(utilization equipment fastened in place) as long as the fixed appliances do not exceed _____ percent of the circuit rating.
       a. 125
       b. 100
       c. 80
       d. 50
       Article 210.23(A) (2) Utilization equipment fastened in place pg. 54
    2. Emergency Lighting Unit Equipment (battery pack) shall be on the same branch circuit as that serving the normal lighting in the area and connected _______of any local switches.
       a. separately
       b. ahead
       c. after
       d. none of these
       Article 700.12(F)sources of power, Unit Equipment pg. 625
    3. Aluminum cable trays shall not be used as equipment grounding conductors for circuits with ground fault protection above _____ amperes.
       a. 2000
       b. 300
       c. 500
       d. 1200
       In 2008, Article 392.3(C)and 392.7(b) and Table 392.7(B) note b
       In 2011 Article 392.60(A) note b pg. 244
    4. All branch circuits that supply 120 volt, single phase, 15 and 20 ampere branch circuits supplying outlets installed in dwelling unit family rooms, dining rooms, living rooms, parlors, libraries, dens, bedrooms, sunrooms, recreation rooms, closets, hallways or similar rooms or areas shall be _____ protected.
       a. AFCI(Arc Fault Circuit Interrupter)
       b. GFCI
       c. a and b
       d. ACFI
       Article 210.12(B) and (A) Branch circuit extensions or modifications- dwelling units. pg. 52
21. 0
    1. In dwelling units, the voltage between conductors shall not exceed 120 volts, nominal, between conductors that supply terminals of _________________________
       a. luminaires
       b. cord and plug connected loads of 1440 VA nominal or less
       c. cord and plugged connected loads of 1440 VA nominal or more
       d. a and b
       Article 210.6(a) Branch-Circuit Voltage Limitations, Occupancy Limitation pg. 49
    2. The neutral conductor of a 3 wire branch circuit supplying a household electric range shall be permitted to be smaller than the ungrounded conductors where the maximum demand of a range of 8 3/4 KW or more has been calculated according to Column C of Table 220.55. However, the neutral ampacity shall not be less than ______ percent of the branch circuit rating, and not smaller than No. _____
       a. 50 and 6
       b. 70 and 6
       c. 50 and 10
       d. 70 and 10.
       Article 210.19(A)(3) Exception 2 Household Ranges and cooking appliances, pg. 53
    3. What size THHN conductor is required for a 50 ampere circuit if the equipment terminals are listed for 75 degrees Centigrade conductor sizing? Reference Table 310.16
       a. 10 AWG copper
       b. 8 AWG copper
       c. 6 AWG copper
       d. 4 AWG copper
       Article 110.14(C)(1)Temperature limitations, equipment provisions.. pg. 36 also table 310-15 (2011)pg. 154
    4. When installing underground rigid non metallic conduit and other approved nonmetallic raceways under a building, it must have a minimum of _____ inches of cover.
       a. 6
       b. 12
       c. 0
       d. 24
       Article 300.5, Table 300.5 Col 3 Minimum Cover Requirements, pg. 138
22. Class I Division 1 and Class I Division 2
    1. In a dwelling unit, receptacle spacing, shall be installed as such that no point measured horizontally along the floor line in any wall space may be more than _____ feet from a receptacle outlet.
       a. 12
       b. 10
       c. 8
       d. 6
       Article 210.52(A)(1) Spacing pg. 56
    2. In a commercial major repair garage, the pit area in lubrication or service rooms, below grade, shall be classified as a _______________location that extends up to the floor level, unless provisions are made for mechanical ventilation providing a minimum of six air changes per hour, which is a __________________location
       a. Class 1. Division 2 and Class I Division 1
       b. Class II. Division 2 and Class Division 1
       c. Class II Division 1. and Class II Division 2
       d. Class I Division I and Class I Division 2
       Article 511.3(C)(3)(a)and(b)Pit areas in Lubrication or service Room, pg. 420
    3. Ground Fault Circuit Interrupter (GFCI) protection for personnel is required for all 125 volt, single phase, 15 and 20 ampere receptacles installed in a dwelling unit _____.
       a. attics
       b. garages
       c. crawl spaces above grade level
       d. a, b and c
       Article 210.8(A)(2) Dwelling Units pg. 50
    4. The over current protective devices, the total impedance, the component short circuit _____ ratings, and other characteristics of the circuit to be protected shall be selected and coordinated to permit the circuit protective devices used to clear a fault to do so without extensive damage to the electrical components of the circuit.
       a. withstand
       b. current
       c. overload
       d. interrupting
       Article 110.10 pg. 35
23. all of the above
    1. Conductors for an appliance circuit supplying more than one appliance receptacle in an installation operating at less than 50 volts shall not be smaller than No. _____copper or equivalent.
       a. 18 AWG
       b. 14 AWG
       c. 12 AWG
       d. 10 AWG
       Article 720.4 Conductors, pg 640
    2. Conductors in sizes smaller than 1/0 AWG shall be permitted to be run in parallel to supply indicating instruments, contactors, relays, solenoids, and similar control devices, or for frequencies of 360 HZ or higher, provided which of the following apply:
       a. They are contained within the same raceway or cable
       b. The ampacity of each individual conductor is sufficient to carry the entire load current shared by the parallel conductors.
       c. The overcurrent protection is such that the ampacity of each individual conductor will not be exceeded if one or more of the parallel conductors become inadvertently disconnected.
       d. all of the above
       Article 310.1(H) exception 1 pg 148
    3. A single receptacle installed on an individual branch circuit must be rated at least _____ percent of the rating of the circuit.
       a. 50
       b. 60
       c. 80
       d. 100
       Article 210.21(B)(1)Single Recept. on Indiv. branch Circuit pg. 54
    4. For electrode type boilers, each boiler shall be designed so that in normal operation there is no change in state of the heat transfer medium, and shall be equipped with a temperature sensitive ________.
       a. protective device
       b. limiting means
       c. shut off device
       d. all of these
       Article 424.83 Overtemperature limit control pg. 302
24. liquid tight flexible metal conduit with listed fittings
    1. Hazardous locations are classified depending on the properties of the ______, that may be present, and the likelihood that a flammable or combustible concentration or quantity is present.
       a. flammable gas
       b. flammable liquid produced vapor
       c. combustible dusts or fibers/flyings
       d. a,b,and c
       Article 500.5(A) Classifications of locations pg. 369
    2. Ground fault protection of equipment shall be provided by electric heat tracing and heating panels. This requirement shall not apply in industrial establishments where there is alarm indication of ground faults and the following conditions apply:
       a. Conditions of maintenance and supervision ensure that only qualified persons service the installed systems
       b. Continued circuit operation is necessary for safe operation of equipment or processes
       c. a and b
       d. none of these.
       ARticle 427.22 Ground Fault Protection of equipment pg. 308
    3. IN a Class II location, where electrically conducting dust is present, flexible connections can be made with _________
       a. flexible metal conduit
       b. Type AC armored cable
       c. flexible cord listed hard usage
       d. liquidtight flexible metal conduit with listed fittings.
       Article 502.10 (A)(2)(2)Flexible connections pg. 386
    4. A fixture in a class III location that may be exposed to physical damage shall be protected by a _____ guard.
       a. substantial
       b. metal
       c. suitable
       d. bronze
       Article 503.130(B) Luminaries, divisions 1 & 2 pg 393
25. garages
    1. Branch circuits rated 15 or 20 amperes can supply fixed appliances(utilization equipment fastened in place) as long as the fixed appliances do not exceed _____ percent of the circuit rating.
       a. 125
       b. 100
       c. 80
       d. 50
       Article 210.23(A) (2) Utilization equipment fastened in place pg. 54
    2. All branch circuits that supply 120 volt, single phase, 15 and 20 ampere branch circuits supplying outlets installed in dwelling unit family rooms, dining rooms, living rooms, parlors, libraries, dens, bedrooms, sunrooms, recreation rooms, closets, hallways or similar rooms or areas shall be _____ protected.
       a. AFCI(Arc Fault Circuit Interrupter)
       b. GFCI
       c. a and b
       d. ACFI
       Article 210.12(B) and (A) Branch circuit extensions or modifications- dwelling units. pg. 52
    3. Ground Fault Circuit Interrupter (GFCI) protection for personnel is required for all 125 volt, single phase, 15 and 20 ampere receptacles installed in a dwelling unit _____.
       a. attics
       b. garages
       c. crawl spaces above grade level
       d. a, b and c
       Article 210.8(A)(2) Dwelling Units pg. 50
    4. The rating or setting of an overcurrent protection device for a 16.3 ampere single non motor operated appliance should not exceed _______ amperes.
       a. 15
       b. 35
       c. 25
       d. 45
       Article 422.11(E)(3) Single non motor operated appliance, pg. 291
26. two
    1. Conductors for an appliance circuit supplying more than one appliance receptacle in an installation operating at less than 50 volts shall not be smaller than No. _____copper or equivalent.
       a. 18 AWG
       b. 14 AWG
       c. 12 AWG
       d. 10 AWG
       Article 720.4 Conductors, pg 640
    2. Where connected to a branch circuit supplying _____ or more receptacles or outlets, a receptacle shall not supply a total cord and plug connected load in excess of the maximum specified in Table 210.21(B)(2).
       a. two
       b. three
       c. four
       d. five
       Article 210.21(B)(2)Total cord and plug connected load pg. 54
    3. The neutral conductor of a 3 wire branch circuit supplying a household electric range shall be permitted to be smaller than the ungrounded conductors where the maximum demand of a range of 8 3/4 KW or more has been calculated according to Column C of Table 220.55. However, the neutral ampacity shall not be less than ______ percent of the branch circuit rating, and not smaller than No. _____
       a. 50 and 6
       b. 70 and 6
       c. 50 and 10
       d. 70 and 10.
       Article 210.19(A)(3) Exception 2 Household Ranges and cooking appliances, pg. 53
    4. It shall be permitted to base the ____ rating of a range receptacle on a single range demand load specified in Table 220.55.
       a. circuit
       b. voltage
       c. ampere
       d. load
       Article 210.21(B)(4) Receptacles, pg. 54
27. 70 and 10
    1. What size THHN conductor is required for a 50 ampere circuit if the equipment terminals are listed for 75 degrees Centigrade conductor sizing? Reference Table 310.16
       a. 10 AWG copper
       b. 8 AWG copper
       c. 6 AWG copper
       d. 4 AWG copper
       Article 110.14(C)(1)Temperature limitations, equipment provisions.. pg. 36 also table 310-15 (2011)pg. 154
    2. The neutral conductor of a 3 wire branch circuit supplying a household electric range shall be permitted to be smaller than the ungrounded conductors where the maximum demand of a range of 8 3/4 KW or more has been calculated according to Column C of Table 220.55. However, the neutral ampacity shall not be less than ______ percent of the branch circuit rating, and not smaller than No. _____
       a. 50 and 6
       b. 70 and 6
       c. 50 and 10
       d. 70 and 10.
       Article 210.19(A)(3) Exception 2 Household Ranges and cooking appliances, pg. 53
    3. Conductors for an appliance circuit supplying more than one appliance receptacle in an installation operating at less than 50 volts shall not be smaller than No. _____copper or equivalent.
       a. 18 AWG
       b. 14 AWG
       c. 12 AWG
       d. 10 AWG
       Article 720.4 Conductors, pg 640
    4. Where connected to a branch circuit supplying _____ or more receptacles or outlets, a receptacle shall not supply a total cord and plug connected load in excess of the maximum specified in Table 210.21(B)(2).
       a. two
       b. three
       c. four
       d. five
       Article 210.21(B)(2)Total cord and plug connected load pg. 54
28. 17 AWG
    1. An outdoor antenna of a receiving station with a 75 foot span using a copper clad steel conductor shall not be less than No. ______.
       a. 10 AWG
       b. 12 AWG
       c. 14 AWG
       d. 17 AWG
       Article 810.16(A) Size of Antenna Conductors, pg. 683
    2. The minimum thickness of sealing compound in Class 1, Division 1 and 2 locations shall not be less than the trade size of the sealing fitting, and in no case less than _____ inches.
       a. 1/8
       b. 1/4
       c. 3/8
       d. 5/8
       Article 501.15(C) 3 pg 379
    3. In a dwelling unit, receptacle spacing, shall be installed as such that no point measured horizontally along the floor line in any wall space may be more than _____ feet from a receptacle outlet.
       a. 12
       b. 10
       c. 8
       d. 6
       Article 210.52(A)(1) Spacing pg. 56
    4. The rating or setting of an overcurrent protection device for a 16.3 ampere single non motor operated appliance should not exceed _______ amperes.
       a. 15
       b. 35
       c. 25
       d. 45
       Article 422.11(E)(3) Single non motor operated appliance, pg. 291
29. a or b
    1. In information technology rooms, an approved means shall be provided to disconnect power to __________________.
       a. all electronic equipment
       b. all dedicated HVAC systems serving the room
       c. shall cause all fire/smoke dampers to close
       d. all of the above
       Article 645.10 disconnecting means pg. 562
    2. Floor penetrations requiring Types CMR communication cable shall contain only cables suitable for riser or plenum use. Listed communication cables shall be ______.
       a. encased in a metal raceway
       b. located in a fireproof shaft with firestops at each floor
       c. a or b
       d. none of these.
       Article 800.110 Raceways for communications wires adnd cables. pg. 675
    3. An outdoor antenna of a receiving station with a 75 foot span using a copper clad steel conductor shall not be less than No. ______.
       a. 10 AWG
       b. 12 AWG
       c. 14 AWG
       d. 17 AWG
       Article 810.16(A) Size of Antenna Conductors, pg. 683
    4. The metallic sheath of communications cables entering buildings shall be _______.
       a. grounded at the point of emergence through an exterior wall
       b. grounded at the point of emergence through a concrete floor slab
       c. interrupted as close to the point of entrance as practicable by an insulating joint.
       d. a, b, and c.
       Articles 800.93(A) Grounding or interruption of metallic sheath members of communication cables (pg, 673) and Article 800.2 definitions, pg. 670
30. equal to the lowest temp of other conductors
    1. Where bare or covered conductors are installed with insulated conductors, the temperature rating of the bare or covered conductor shall be _________
       a. 60 degrees C
       b. greater than the lowest temperature rating of the insulated conductors for the purpose of determining ampacity.
       c. 90 degrees C
       d. equal to the lowest temperature rating of the insulated conductors for the purpose of determining ampacity.
       Article 310.15(B)(4) Bare or Covered Conductors, pg. 152
    2. What size THHN conductor is required for a 50 ampere circuit if the equipment terminals are listed for 75 degrees Centigrade conductor sizing? Reference Table 310.16
       a. 10 AWG copper
       b. 8 AWG copper
       c. 6 AWG copper
       d. 4 AWG copper
       Article 110.14(C)(1)Temperature limitations, equipment provisions.. pg. 36 also table 310-15 (2011)pg. 154
    3. Where the load is calculated on the basis of volt amperes per square foot, the load shall be evenly proportioned among multioutlet branch circuits within the ___________.
       a.premises
       b. branch circuits
       c. panelboard(s)
       d. dwelling unit
       Article 210.11(B)Load evenly proportioned among branch circuits pg. 51
    4. The connection between a grounded conductor and the equipment grounding conductor at the service is accomplished with the use of a _________.
       a. main bonding jumper sized per 250.66
       b. system bonding jumper sized per 250.66
       c. equipment bonding conductor sized per 250.122
       d. main bonding jumper sized per 250.122
       Article 100 Definitions (pg 26)and Article 250 grounding and bonding pg 115
31. 5/8
    1. The minimum thickness of sealing compound in Class 1, Division 1 and 2 locations shall not be less than the trade size of the sealing fitting, and in no case less than _____ inches.
       a. 1/8
       b. 1/4
       c. 3/8
       d. 5/8
       Article 501.15(C) 3 pg 379
    2. An outdoor antenna of a receiving station with a 75 foot span using a copper clad steel conductor shall not be less than No. ______.
       a. 10 AWG
       b. 12 AWG
       c. 14 AWG
       d. 17 AWG
       Article 810.16(A) Size of Antenna Conductors, pg. 683
    3. Equipment is required to be installed and used according to any instructions included in the __________
       a. listed or published
       b. labeled or design
       c. listing or labeling
       d. a, b, and c.
       Article 110.3(B) Installation and Use pg. 35
    4. The maximum allowable horse power rating of a permanently connected appliance where the branch circuit protection device is used as the appliance disconnecting means is _____ horsepower.
       a. 1/8
       b. 1/4
       c. 1/2
       d. 3/4
       Article 422.31(A)Disconnection of Permanently connected devices, pg. 293
32. 25
    1. An outdoor antenna of a receiving station with a 75 foot span using a copper clad steel conductor shall not be less than No. ______.
       a. 10 AWG
       b. 12 AWG
       c. 14 AWG
       d. 17 AWG
       Article 810.16(A) Size of Antenna Conductors, pg. 683
    2. Ground Fault Circuit Interrupter (GFCI) protection for personnel is required for all 125 volt, single phase, 15 and 20 ampere receptacles installed in a dwelling unit _____.
       a. attics
       b. garages
       c. crawl spaces above grade level
       d. a, b and c
       Article 210.8(A)(2) Dwelling Units pg. 50
    3. The rating or setting of an overcurrent protection device for a 16.3 ampere single non motor operated appliance should not exceed _______ amperes.
       a. 15
       b. 35
       c. 25
       d. 45
       Article 422.11(E)(3) Single non motor operated appliance, pg. 291
    4. The minimum thickness of sealing compound in Class 1, Division 1 and 2 locations shall not be less than the trade size of the sealing fitting, and in no case less than _____ inches.
       a. 1/8
       b. 1/4
       c. 3/8
       d. 5/8
       Article 501.15(C) 3 pg 379
33. 8
    1. In dwelling units, the voltage between conductors shall not exceed 120 volts, nominal, between conductors that supply terminals of _________________________
       a. luminaires
       b. cord and plug connected loads of 1440 VA nominal or less
       c. cord and plugged connected loads of 1440 VA nominal or more
       d. a and b
       Article 210.6(a) Branch-Circuit Voltage Limitations, Occupancy Limitation pg. 49
    2. Types TPT and TST cord shall be permitted in lengths not exceeding ___ feet when attached directly, or by means of a special type of plug, to a portable appliance rated 50 watts or less and of such nature that extreme flexibility of the cord is essential.
       a. 8
       b. 10
       c. 15
       d. 6
       Article 400.4, Table 400.4 note 4(Thermoplastic) pg. 257
    3. The maximum allowable horse power rating of a permanently connected appliance where the branch circuit protection device is used as the appliance disconnecting means is _____ horsepower.
       a. 1/8
       b. 1/4
       c. 1/2
       d. 3/4
       Article 422.31(A)Disconnection of Permanently connected devices, pg. 293
    4. Electrical equipment that depends on the _____ principals for cooling of exposed surfaces shall be installed so that room airflow over such surfaces is not prevented by walls or adjacent installed equipment.
       a. convection
       b. natural circulation of air and convection
       c. artificial cooling and circulation
       d. air conditioning
       Article 110.13(B) Cooling, pg. 35
34. 7
    1. In information technology rooms, an approved means shall be provided to disconnect power to __________________.
       a. all electronic equipment
       b. all dedicated HVAC systems serving the room
       c. shall cause all fire/smoke dampers to close
       d. all of the above
       Article 645.10 disconnecting means pg. 562
    2. The rating or setting of an overcurrent protection device for a 16.3 ampere single non motor operated appliance should not exceed _______ amperes.
       a. 15
       b. 35
       c. 25
       d. 45
       Article 422.11(E)(3) Single non motor operated appliance, pg. 291
    3. Open wiring on insulators within _____ feet from the floor shall be considered exposed to physical damage.
       a. 4
       b. 2
       c. 7
       d. 12
       Article 398.15(C)Exposed to physical damage pg. 249
    4. Electrical equipment that depends on the _____ principals for cooling of exposed surfaces shall be installed so that room airflow over such surfaces is not prevented by walls or adjacent installed equipment.
       a. convection
       b. natural circulation of air and convection
       c. artificial cooling and circulation
       d. air conditioning
       Article 110.13(B) Cooling, pg. 35
35. mineral insulated
    1. Hazardous locations are classified depending on the properties of the ______, that may be present, and the likelihood that a flammable or combustible concentration or quantity is present.
       a. flammable gas
       b. flammable liquid produced vapor
       c. combustible dusts or fibers/flyings
       d. a,b,and c
       Article 500.5(A) Classifications of locations pg. 369
    2. Equipment is required to be installed and used according to any instructions included in the __________
       a. listed or published
       b. labeled or design
       c. listing or labeling
       d. a, b, and c.
       Article 110.3(B) Installation and Use pg. 35
    3. A fixture in a class III location that may be exposed to physical damage shall be protected by a _____ guard.
       a. substantial
       b. metal
       c. suitable
       d. bronze
       Article 503.130(B) Luminaries, divisions 1 & 2 pg 393
    4. Distinctive marking at the terminals during the process of installation shall identify the grounded conductors of _______ metal sheathed cable.
       a. armored
       b. mineral insulated
       c. copper
       d. aluminum
       Article 200.6(A)(5)(2011)or (1) 2008 Means of Idenifying grounded conductors.
36. 6
    1. For electrode type boilers, each boiler shall be designed so that in normal operation there is no change in state of the heat transfer medium, and shall be equipped with a temperature sensitive ________.
       a. protective device
       b. limiting means
       c. shut off device
       d. all of these
       Article 424.83 Overtemperature limit control pg. 302
    2. In a dwelling unit, receptacle spacing, shall be installed as such that no point measured horizontally along the floor line in any wall space may be more than _____ feet from a receptacle outlet.
       a. 12
       b. 10
       c. 8
       d. 6
       Article 210.52(A)(1) Spacing pg. 56
    3. In dwelling units, the voltage between conductors shall not exceed 120 volts, nominal, between conductors that supply terminals of _________________________
       a. luminaires
       b. cord and plug connected loads of 1440 VA nominal or less
       c. cord and plugged connected loads of 1440 VA nominal or more
       d. a and b
       Article 210.6(a) Branch-Circuit Voltage Limitations, Occupancy Limitation pg. 49
    4. Emergency Lighting Unit Equipment (battery pack) shall be on the same branch circuit as that serving the normal lighting in the area and connected _______of any local switches.
       a. separately
       b. ahead
       c. after
       d. none of these
       Article 700.12(F)sources of power, Unit Equipment pg. 625
37. a b and c
    1. Hazardous locations are classified depending on the properties of the ______, that may be present, and the likelihood that a flammable or combustible concentration or quantity is present.
       a. flammable gas
       b. flammable liquid produced vapor
       c. combustible dusts or fibers/flyings
       d. a,b,and c
       Article 500.5(A) Classifications of locations pg. 369
    2. Lampholders installed over highly combustible material shall be of the ________ type.
       a. industrial
       b. switched
       c. unswitched
       d. residential
       Article 410.12 Luminaries over Combustible material pg. 281
    3. IN a Class II location, where electrically conducting dust is present, flexible connections can be made with _________
       a. flexible metal conduit
       b. Type AC armored cable
       c. flexible cord listed hard usage
       d. liquidtight flexible metal conduit with listed fittings.
       Article 502.10 (A)(2)(2)Flexible connections pg. 386
    4. Where the load is calculated on the basis of volt amperes per square foot, the load shall be evenly proportioned among multioutlet branch circuits within the ___________.
       a.premises
       b. branch circuits
       c. panelboard(s)
       d. dwelling unit
       Article 210.11(B)Load evenly proportioned among branch circuits pg. 51
38. permitted to be spliced without a splice box
    1. Where bare or covered conductors are installed with insulated conductors, the temperature rating of the bare or covered conductor shall be _________
       a. 60 degrees C
       b. greater than the lowest temperature rating of the insulated conductors for the purpose of determining ampacity.
       c. 90 degrees C
       d. equal to the lowest temperature rating of the insulated conductors for the purpose of determining ampacity.
       Article 310.15(B)(4) Bare or Covered Conductors, pg. 152
    2. Direct buried conductors or cables shall be ______, providing those splices are made with approved methods and identified materials.
       a. permitted to be spliced without a splice box.
       b. spliced only in an approved junction box.
       c. spliced only in a weatherproof splice box
       d. none of these.
       Article 300.5(E) Splices and Taps, pg. 139
    3. The neutral conductor of a 3 wire branch circuit supplying a household electric range shall be permitted to be smaller than the ungrounded conductors where the maximum demand of a range of 8 3/4 KW or more has been calculated according to Column C of Table 220.55. However, the neutral ampacity shall not be less than ______ percent of the branch circuit rating, and not smaller than No. _____
       a. 50 and 6
       b. 70 and 6
       c. 50 and 10
       d. 70 and 10.
       Article 210.19(A)(3) Exception 2 Household Ranges and cooking appliances, pg. 53
    4. Ground fault protection of equipment shall be provided by electric heat tracing and heating panels. This requirement shall not apply in industrial establishments where there is alarm indication of ground faults and the following conditions apply:
       a. Conditions of maintenance and supervision ensure that only qualified persons service the installed systems
       b. Continued circuit operation is necessary for safe operation of equipment or processes
       c. a and b
       d. none of these.
       ARticle 427.22 Ground Fault Protection of equipment pg. 308
39. listing or labeling
    1. The minimum thickness of sealing compound in Class 1, Division 1 and 2 locations shall not be less than the trade size of the sealing fitting, and in no case less than _____ inches.
       a. 1/8
       b. 1/4
       c. 3/8
       d. 5/8
       Article 501.15(C) 3 pg 379
    2. Distinctive marking at the terminals during the process of installation shall identify the grounded conductors of _______ metal sheathed cable.
       a. armored
       b. mineral insulated
       c. copper
       d. aluminum
       Article 200.6(A)(5)(2011)or (1) 2008 Means of Idenifying grounded conductors.
    3. Equipment is required to be installed and used according to any instructions included in the __________
       a. listed or published
       b. labeled or design
       c. listing or labeling
       d. a, b, and c.
       Article 110.3(B) Installation and Use pg. 35
    4. A single receptacle installed on an individual branch circuit must be rated at least _____ percent of the rating of the circuit.
       a. 50
       b. 60
       c. 80
       d. 100
       Article 210.21(B)(1)Single Recept. on Indiv. branch Circuit pg. 54
40. 2000 amps
    1. Fixed electric space heating equipment requiring supply conductors with insulation rated over ____ degrees Centigrade shall be clearly marked.
       a. 75
       b. 60
       c. 90
       d. a,b, and c
       Article 424.11 supply conductors, pg 296
    2. The connection between a grounded conductor and the equipment grounding conductor at the service is accomplished with the use of a _________.
       a. main bonding jumper sized per 250.66
       b. system bonding jumper sized per 250.66
       c. equipment bonding conductor sized per 250.122
       d. main bonding jumper sized per 250.122
       Article 100 Definitions (pg 26)and Article 250 grounding and bonding pg 115
    3. All branch circuits that supply 120 volt, single phase, 15 and 20 ampere branch circuits supplying outlets installed in dwelling unit family rooms, dining rooms, living rooms, parlors, libraries, dens, bedrooms, sunrooms, recreation rooms, closets, hallways or similar rooms or areas shall be _____ protected.
       a. AFCI(Arc Fault Circuit Interrupter)
       b. GFCI
       c. a and b
       d. ACFI
       Article 210.12(B) and (A) Branch circuit extensions or modifications- dwelling units. pg. 52
    4. Aluminum cable trays shall not be used as equipment grounding conductors for circuits with ground fault protection above _____ amperes.
       a. 2000
       b. 300
       c. 500
       d. 1200
       In 2008, Article 392.3(C)and 392.7(b) and Table 392.7(B) note b
       In 2011 Article 392.60(A) note b pg. 244
41. ahead
    1. The over current protective devices, the total impedance, the component short circuit _____ ratings, and other characteristics of the circuit to be protected shall be selected and coordinated to permit the circuit protective devices used to clear a fault to do so without extensive damage to the electrical components of the circuit.
       a. withstand
       b. current
       c. overload
       d. interrupting
       Article 110.10 pg. 35
    2. Ground fault protection of equipment shall be provided by electric heat tracing and heating panels. This requirement shall not apply in industrial establishments where there is alarm indication of ground faults and the following conditions apply:
       a. Conditions of maintenance and supervision ensure that only qualified persons service the installed systems
       b. Continued circuit operation is necessary for safe operation of equipment or processes
       c. a and b
       d. none of these.
       ARticle 427.22 Ground Fault Protection of equipment pg. 308
    3. Emergency Lighting Unit Equipment (battery pack) shall be on the same branch circuit as that serving the normal lighting in the area and connected _______of any local switches.
       a. separately
       b. ahead
       c. after
       d. none of these
       Article 700.12(F)sources of power, Unit Equipment pg. 625
    4. All branch circuits that supply 120 volt, single phase, 15 and 20 ampere branch circuits supplying outlets installed in dwelling unit family rooms, dining rooms, living rooms, parlors, libraries, dens, bedrooms, sunrooms, recreation rooms, closets, hallways or similar rooms or areas shall be _____ protected.
       a. AFCI(Arc Fault Circuit Interrupter)
       b. GFCI
       c. a and b
       d. ACFI
       Article 210.12(B) and (A) Branch circuit extensions or modifications- dwelling units. pg. 52
42. a and b
    1. When installing underground rigid non metallic conduit and other approved nonmetallic raceways under a building, it must have a minimum of _____ inches of cover.
       a. 6
       b. 12
       c. 0
       d. 24
       Article 300.5, Table 300.5 Col 3 Minimum Cover Requirements, pg. 138
    2. In a dwelling unit, receptacle spacing, shall be installed as such that no point measured horizontally along the floor line in any wall space may be more than _____ feet from a receptacle outlet.
       a. 12
       b. 10
       c. 8
       d. 6
       Article 210.52(A)(1) Spacing pg. 56
    3. In dwelling units, the voltage between conductors shall not exceed 120 volts, nominal, between conductors that supply terminals of _________________________
       a. luminaires
       b. cord and plug connected loads of 1440 VA nominal or less
       c. cord and plugged connected loads of 1440 VA nominal or more
       d. a and b
       Article 210.6(a) Branch-Circuit Voltage Limitations, Occupancy Limitation pg. 49
    4. Types TPT and TST cord shall be permitted in lengths not exceeding ___ feet when attached directly, or by means of a special type of plug, to a portable appliance rated 50 watts or less and of such nature that extreme flexibility of the cord is essential.
       a. 8
       b. 10
       c. 15
       d. 6
       Article 400.4, Table 400.4 note 4(Thermoplastic) pg. 257
43. a and b
    1. Ground fault protection of equipment shall be provided by electric heat tracing and heating panels. This requirement shall not apply in industrial establishments where there is alarm indication of ground faults and the following conditions apply:
       a. Conditions of maintenance and supervision ensure that only qualified persons service the installed systems
       b. Continued circuit operation is necessary for safe operation of equipment or processes
       c. a and b
       d. none of these.
       ARticle 427.22 Ground Fault Protection of equipment pg. 308
    2. Ground Fault Circuit Interrupter (GFCI) protection for personnel is required for all 125 volt, single phase, 15 and 20 ampere receptacles installed in a dwelling unit _____.
       a. attics
       b. garages
       c. crawl spaces above grade level
       d. a, b and c
       Article 210.8(A)(2) Dwelling Units pg. 50
    3. For electrode type boilers, each boiler shall be designed so that in normal operation there is no change in state of the heat transfer medium, and shall be equipped with a temperature sensitive ________.
       a. protective device
       b. limiting means
       c. shut off device
       d. all of these
       Article 424.83 Overtemperature limit control pg. 302
    4. In information technology rooms, an approved means shall be provided to disconnect power to __________________.
       a. all electronic equipment
       b. all dedicated HVAC systems serving the room
       c. shall cause all fire/smoke dampers to close
       d. all of the above
       Article 645.10 disconnecting means pg. 562
44. 20
    1. Circuits that supply signs and outline lighting systems containing incandescent and fluorescent forms of illumination shall be rated not to exceed ____ amperes.
       a. 20
       b. 30
       c. 40
       d. 50
       Article 600.5(B)(2)Electric signs and outline lighting, pg. 519
    2. Fixed electric space heating equipment requiring supply conductors with insulation rated over ____ degrees Centigrade shall be clearly marked.
       a. 75
       b. 60
       c. 90
       d. a,b, and c
       Article 424.11 supply conductors, pg 296
    3. Conductors for an appliance circuit supplying more than one appliance receptacle in an installation operating at less than 50 volts shall not be smaller than No. _____copper or equivalent.
       a. 18 AWG
       b. 14 AWG
       c. 12 AWG
       d. 10 AWG
       Article 720.4 Conductors, pg 640
    4. All branch circuits that supply 120 volt, single phase, 15 and 20 ampere branch circuits supplying outlets installed in dwelling unit family rooms, dining rooms, living rooms, parlors, libraries, dens, bedrooms, sunrooms, recreation rooms, closets, hallways or similar rooms or areas shall be _____ protected.
       a. AFCI(Arc Fault Circuit Interrupter)
       b. GFCI
       c. a and b
       d. ACFI
       Article 210.12(B) and (A) Branch circuit extensions or modifications- dwelling units. pg. 52
45. 6
    1. No. 18 TFFN fixture wire is rated for ______ amperes
       a. 14
       b. 10
       c. 8
       d. 6
       Article 402.5 and Table 402.5 Allowable ampacities for fixture wires pg. 266
    2. What size THHN conductor is required for a 50 ampere circuit if the equipment terminals are listed for 75 degrees Centigrade conductor sizing? Reference Table 310.16
       a. 10 AWG copper
       b. 8 AWG copper
       c. 6 AWG copper
       d. 4 AWG copper
       Article 110.14(C)(1)Temperature limitations, equipment provisions.. pg. 36 also table 310-15 (2011)pg. 154
    3. Types of pipeline resistive heaters are heating _______
       a. blankets
       b. tape
       c. barrels
       d. A and B
       Article 427.2 Definitions, resistance heating element pg. 307
    4. Equipment is required to be installed and used according to any instructions included in the __________
       a. listed or published
       b. labeled or design
       c. listing or labeling
       d. a, b, and c.
       Article 110.3(B) Installation and Use pg. 35
46. 2001
    1. It shall be permitted to base the ____ rating of a range receptacle on a single range demand load specified in Table 220.55.
       a. circuit
       b. voltage
       c. ampere
       d. load
       Article 210.21(B)(4) Receptacles, pg. 54
    2. Fixed electric space heating equipment requiring supply conductors with insulation rated over ____ degrees Centigrade shall be clearly marked.
       a. 75
       b. 60
       c. 90
       d. a,b, and c
       Article 424.11 supply conductors, pg 296
    3. Type MV is defined as a single or multiconductor solid dielectric insulated cable rated _________volts or higher.
       a. 601
       b. 2000
       c. 2001
       d. 4160
       Article 328.2 Medium Voltage Cable Type MV pg. 192
    4. The connection between a grounded conductor and the equipment grounding conductor at the service is accomplished with the use of a _________.
       a. main bonding jumper sized per 250.66
       b. system bonding jumper sized per 250.66
       c. equipment bonding conductor sized per 250.122
       d. main bonding jumper sized per 250.122
       Article 100 Definitions (pg 26)and Article 250 grounding and bonding pg 115
47. 1/8
    1. The maximum allowable horse power rating of a permanently connected appliance where the branch circuit protection device is used as the appliance disconnecting means is _____ horsepower.
       a. 1/8
       b. 1/4
       c. 1/2
       d. 3/4
       Article 422.31(A)Disconnection of Permanently connected devices, pg. 293
    2. The minimum thickness of sealing compound in Class 1, Division 1 and 2 locations shall not be less than the trade size of the sealing fitting, and in no case less than _____ inches.
       a. 1/8
       b. 1/4
       c. 3/8
       d. 5/8
       Article 501.15(C) 3 pg 379
    3. It shall be permitted to base the ____ rating of a range receptacle on a single range demand load specified in Table 220.55.
       a. circuit
       b. voltage
       c. ampere
       d. load
       Article 210.21(B)(4) Receptacles, pg. 54
    4. The neutral conductor of a 3 wire branch circuit supplying a household electric range shall be permitted to be smaller than the ungrounded conductors where the maximum demand of a range of 8 3/4 KW or more has been calculated according to Column C of Table 220.55. However, the neutral ampacity shall not be less than ______ percent of the branch circuit rating, and not smaller than No. _____
       a. 50 and 6
       b. 70 and 6
       c. 50 and 10
       d. 70 and 10.
       Article 210.19(A)(3) Exception 2 Household Ranges and cooking appliances, pg. 53
48. main bonding jumper sized per 250.66
    1. Aluminum cable trays shall not be used as equipment grounding conductors for circuits with ground fault protection above _____ amperes.
       a. 2000
       b. 300
       c. 500
       d. 1200
       In 2008, Article 392.3(C)and 392.7(b) and Table 392.7(B) note b
       In 2011 Article 392.60(A) note b pg. 244
    2. Where bare or covered conductors are installed with insulated conductors, the temperature rating of the bare or covered conductor shall be _________
       a. 60 degrees C
       b. greater than the lowest temperature rating of the insulated conductors for the purpose of determining ampacity.
       c. 90 degrees C
       d. equal to the lowest temperature rating of the insulated conductors for the purpose of determining ampacity.
       Article 310.15(B)(4) Bare or Covered Conductors, pg. 152
    3. The connection between a grounded conductor and the equipment grounding conductor at the service is accomplished with the use of a _________.
       a. main bonding jumper sized per 250.66
       b. system bonding jumper sized per 250.66
       c. equipment bonding conductor sized per 250.122
       d. main bonding jumper sized per 250.122
       Article 100 Definitions (pg 26)and Article 250 grounding and bonding pg 115
    4. The NEC permits lighting fixture tap conductors to be a minimum of ____ inches long.
       a. 12
       b. 36
       c. 24
       d. 18
       Article 410.117(C) Tap conductors pg. 286
49. suitable
    1. A fixture in a class III location that may be exposed to physical damage shall be protected by a _____ guard.
       a. substantial
       b. metal
       c. suitable
       d. bronze
       Article 503.130(B) Luminaries, divisions 1 & 2 pg 393
    2. Distinctive marking at the terminals during the process of installation shall identify the grounded conductors of _______ metal sheathed cable.
       a. armored
       b. mineral insulated
       c. copper
       d. aluminum
       Article 200.6(A)(5)(2011)or (1) 2008 Means of Idenifying grounded conductors.
    3. IN a Class II location, where electrically conducting dust is present, flexible connections can be made with _________
       a. flexible metal conduit
       b. Type AC armored cable
       c. flexible cord listed hard usage
       d. liquidtight flexible metal conduit with listed fittings.
       Article 502.10 (A)(2)(2)Flexible connections pg. 386
    4. For electrode type boilers, each boiler shall be designed so that in normal operation there is no change in state of the heat transfer medium, and shall be equipped with a temperature sensitive ________.
       a. protective device
       b. limiting means
       c. shut off device
       d. all of these
       Article 424.83 Overtemperature limit control pg. 302
50. A and B
    1. Types TPT and TST cord shall be permitted in lengths not exceeding ___ feet when attached directly, or by means of a special type of plug, to a portable appliance rated 50 watts or less and of such nature that extreme flexibility of the cord is essential.
       a. 8
       b. 10
       c. 15
       d. 6
       Article 400.4, Table 400.4 note 4(Thermoplastic) pg. 257
    2. The over current protective devices, the total impedance, the component short circuit _____ ratings, and other characteristics of the circuit to be protected shall be selected and coordinated to permit the circuit protective devices used to clear a fault to do so without extensive damage to the electrical components of the circuit.
       a. withstand
       b. current
       c. overload
       d. interrupting
       Article 110.10 pg. 35
    3. Types of pipeline resistive heaters are heating _______
       a. blankets
       b. tape
       c. barrels
       d. A and B
       Article 427.2 Definitions, resistance heating element pg. 307
    4. No. 18 TFFN fixture wire is rated for ______ amperes
       a. 14
       b. 10
       c. 8
       d. 6
       Article 402.5 and Table 402.5 Allowable ampacities for fixture wires pg. 266