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214 True/False questions

  1. Hexagonal(240) Plug fuses of 15 amperes and lower ratings shall be identified by a _____ configuration of the window, cap, or other prominent part to distinguish them from fuses of higher ampere ratings.

          

  2. Warning signsEntrances to rooms and other guarded locations containing exposed live parts shall be marked with conspicuous ____ forbidding unqualified persons to enter.

          

  3. 4 x 2 1/8 squarePull Boxes, Junction Boxes and Conduit Bodies must be sized according to Section _____

          

  4. Conduit bodyA separate portion of a conduit or tubing system that provides access through a removable cover(s) to the interior of the system at a junction of two or more sections of the system or at a terminal point of the system is defined as a(n)

          

  5. 9U-Pull Calculations: The distance from were the raceways enter to the opposite wall must not be less than _____ times the trade diameter of the largest raceway plus the sum of te diameters of the remaining raceways on the same wall.

          

  6. Effectively bonded together(225) Lamps for outdoor lighting shall be below all _____, transformers or other electrical utilization equipment.

          

  7. 100(210)A single receptacle installed on an individual branch circuit must be rated at least _____ percent of the rating of the circuit.

          

  8. Copper-clad aluminum with individual insulation(210)All 125 volt, single phase 15 and 20 ampere receptacles installed in bathrooms of guest rooms in hotels/motels, dwelling units, and office buildings shall have ____________for personel.

          

  9. Neutral(210)Multiwire branch circuits shall supply only line to _____ loads

          

  10. 8Straight Pull Calculation (length of raceway): The minimum distance from where the raceway enters to the opposite wall must not be less than _____ times the trade size of the largest raceway.

          

  11. Ungrounded(210)Each system _____ conductor, wherever accessible, shall be identified by a separate color coding, marking tape, tagging, or other equally effective means. This applies to multiwire branch circuits when there Is more than one system voltage in a building.

          

  12. panelboardA single panel or group of panel units designed for assembly in the form of a single panel is called a _______

          

  13. Greater(225) Overhead branch circuit and feeder conductors shall not be installed _____ openings through which materials may be moved, such as openings in farm and commercial buildings, and hall not be installed where they will obstruct entrance to these building openings.

          

  14. RaintightAn enclosure or device so constructed that a beating rain will not enter is _______.

          

  15. White(250) Supplementary grounding electrocces can supplement the equipment grounding conductor, but they cannot be used as the sole equipment grounding conductor.(True/False)

          

  16. 14 inchesA junction box contains two 2 ½ inch raceways on the left side and one 2 ½ inch raceway on the right side. The conductors from one 2 ½ inch raceway are pulled through the raceway on the righ wall. The other 2 ½ inch raceway conductors (on the side) are pulled through a 2 ½ inch raceway at the bottom of the pull box. What is the distance from between the raceways that contain the same conductors?

          

  17. 7Angle Pull Calculation (90 degrees, diameter of raceway) must not be less than ___ times the trade diameter of the largest raceway plus the sum of the diameters of the remaining raceways on the same wall of the box.

          

  18. Listed for use in wet locations(250) _____on equipment to be grounded shall be removed from contact surfaces to ensure good electrical continuity.

          

  19. Inverse time(240) Markings on circuit breakers required by the Code shall be permitted to be made visible by removal of a _____ or cover.

          

  20. False(250) If none of the electrodes specified in Section 250-50 are available, then local metal underground systems or structures (not gas); ground rods or pipes; or plate electrodes canbe used as the required grounding electrode.(True/False)

          

  21. Above the point of attachment(230) Service heads must be located _____.

          

  22. Square footA(n) ______ is a point on a wiring system where current is taken to supply equipment that uses electricity.

          

  23. 30(210)The total rating of utilization equipment fastened in place shall not exceed _____ percent of the branch circuit ampere rating, where the circuit supplies receptacles for cord-and-plug connected equipment.

          

  24. Four(220) When sizing a feeder, the appliance loads in dwelling units can apply a demand factor of 75 percent of nameplate ratings for ____ or more appliances fastened in place on the same feeder.

          

  25. 3(225) Communications conductors shall be mounted not less than ____ inches below power conductors rated over 300 volts supported on poles.

          

  26. True(210)At least _____ wall switch-controlled lighting outlet(s) shall be installed in every dwelling unit habitable room and bathroom.

          

  27. Bypass isolationA single panel or group of panel units designed for assembly in the form of a single panel is called a _______

          

  28. True(240) A current transformer and overcurrent relay shall be considered equivalent to an overcurrent trip unit(True/False)

          

  29. AccessibleEquipment enclosed in a case or cabinet that is provided with a means of sealing or locking so that live parts cannot be made accessible without opening the enclosure is said to be _______.

          

  30. Circular mils(230) The _____ clearances for all service drop conductors shall be based on a conductor temperature of 60 degrees F, no wind; with final unloaded sag in the wire, conductor, or cable.

          

  31. Ground-fault protection of equipmentA system intended to provide protection of equipment from damaging line-to-ground-fault currents by operating to cause a disconnecting means to open all ungrounded conductors of the faulted circuit is defined as _____.

          

  32. True(240) Markings on circuit breakers required by the Code shall be permitted to be made visible by removal of a _____ or cover.

          

  33. .013The working space in front of the electric equipment shall not be less tha _____ inches wide or the width of the equipment, whichever is greater.

          

  34. Voltage and amperage(240) Cartridge fuses and fuseholders shall be classified according to _____ranges.

          

  35. True(220) For each farm building or load supplied by _____ or more branch circuits, the load for feeders, service-entrance conductors, and service equipment shall be computed in accordance with demand factors not less than indicated in Table 220-102.

          

  36. GuardedWarning signs for over 600 volts shall read "Warning - High Voltage - Keep Out". (True/False)

          

  37. 10How many #12 RHH (with outer cover) can be installed in 1" IMC raceway?

          

  38. True(230) As used in Section 230-95, the rating of the service disconnecting means is considered to be the rating of the largest _____ that can be installed or the highest continuous current trip setting for the actual overcurrent protection device installed in a circuit breaker is rated or can be adjusted.

          

  39. 314.28(210)Receptacle outlets in a dwelling unit must be installed within _____ inches of the outside edge of each basin and the receptacle must be located on a wall that is adjacent to the basin location.

          

  40. Open or closedWorking space distances shall be measured from the _____ of equipment or apparatus if such are enclosed

          

  41. SecondaryThe 2011 NEC defined ______ as all conductors between a source of power from a battery, a solar voltaic system, generator, transformer, or converter windings, and the final branch circuit overcurrent protections device(s).

          

  42. Grounded conductorA system or circuit conductor that is intentionally grounded is a(n)_____ This conductor is often called a neutral conductor in the field, and is identified with the color white or gray.

          

  43. Neutral(220) Feeder and service-entrance conductors with demand load determined by the use of 220.80 shall be permitted to have the ____ load determined by Section 220-61.

          

  44. 4Pull Box Sizing, Horizontal Dimension: A junction box contains two 3 inch raceways on the left side and one 3 inch raceway on the right side. The conductors from one of the 3 inch raceways on the left are pulled through the 3 inch raceway on the right wall. The other 3 inch raceways conductors are pulled through ta raceway at the bottom of the pull box. What is the horizontal dimension of this box?

          

  45. .0243The actual area of conductor fill is dependent on the raceway size and the number of conductors installed. If there are three or more conductors installed in a raceway, the total area of conductor fill is limited to _____ percent.

          

  46. Approved(Article 100) Acceptable to the authority having jurisdiction means that the equipment has been _____.

          

  47. Service equipmentA unit of an electrical system, which is intended to carry, but not utilize electrical energy. Is a______.

          

  48. 6'6"(210)Receptacle outlets in a dwelling unit must be installed within _____ inches of the outside edge of each basin and the receptacle must be located on a wall that is adjacent to the basin location.

          

  49. True(210)A permanently installed cord connector on a cord pendant shall be considered a receptacle outlet.(True/False)

          

  50. Interrupting ratingThe highest current at rated voltage that a device is intended to interrupt under standard test conditions is the ______.

          

  51. Glass or porcelain(230) Where individual open conductors are not exposed to the weather, the conductors shall be mounted on _____knobs.

          

  52. 14 inchesA junction box contains two 2 ½ inch raceways on the left side and one 2 ½ inch raceway on the right side. The conductors from one 2 ½ inch raceway are pulled through the raceway on the righ wall. The other 2 ½ inch raceway conductors (on the side) are pulled through a 2 ½ inch raceway at the bottom of the pull box. What is the distance from between the raceways that contain the same conductors?

          

  53. Current, voltageConductors larger than No. 4/0 are measured in _____.

          

  54. 4x2 1/8(225) Outside branch circuits and feeder conductors shall have a vertical clearance of _____ feet from the surface of a roof.

          

  55. Coordinated, overload(240) Fuseholders for cartridge fuses shall be so esigned that it is difficult to put a fuse of any given class into a fuseholder that is designed for a _____lower, or _____ higher, than that of the class to which the fuse belongs.

          

  56. TrueFor a circuit to be considered a multiwire branch circuit, it must have two or more ungrounded conductors with a potential difference between them, a grounded conductor having equal potential difference between it and each ungrounded conductor of the circuit, and a grounded conductor connected to the neutral (grounded) conductor of the system.(True/False)

          

  57. No. 10 aluminum(230) To supply power to a single-phase water heater, the size of the underground service lateral conductors shall not be smaller than _____.

          

  58. Sealable(220) Feeder and service-entrance conductors with demand load determined by the use of 220.80 shall be permitted to have the ____ load determined by Section 220-61.

          

  59. True(250) The grounding electrode conductor shall be made of copper, aluminum, or copper-clad aluminum.(True/False)

          

  60. NominalA value assigned to a circuit or system for the purpose of conveniently designating its voltage class such as 120/240 volts is called ______voltage.

          

  61. 2(210)The 24 inch dimension required in a dwelling unit countertop is measured along the wall line or center line, and the intent is that there be a receptacle outlet for every _____linear feet or fraction thereof of counter length.

          

  62. 5(210)The recommended maximum total voltage drop on both the feeders and banch circuits is _____ percent.

          

  63. 40(225) If festoon lighting exceeds a span of ____ feet, messenger wires shall support the conductors.

          

  64. BeneathIn judging equipment, considerations such as mechanical strength and arcing effects should be evaluated(True/False)

          

  65. 11A 3 inch schedule 40 PVC raceway contains seven No. 1 RHW conductors without outer cover. How many No. 2 THW conductors may be installed in this raceway with the existing conductors?

          

  66. 0(220) For other than dwelling units, the feeder and service load calculation for track lighting is to be determined at 150 volt-amperes for every ____ feet of track installed.

          

  67. Bushing(230) Where the service disconnecting means is mounted on a switchboard having exposed busbars on the back, a raceway shall be permitted to terminate with a _____.

          

  68. 4(225) Outside branch circuits and feeder conductors shall have a vertical clearance of _____ feet from the surface of a roof.

          

  69. TrueA thermal protector may consist of one or more heat-sensing element integral with the motor or motor-compressor and an external control device.(True/False)

          

  70. 1Depth of Pull or Junction Box: A 24" x 24" pull box has two 2 inch conduits that enter the back of the box with No. 4/0 conductors. What is the minimum depth of the box?

          

  71. 312.6(210)Receptacle outlets in a dwelling unit must be installed within _____ inches of the outside edge of each basin and the receptacle must be located on a wall that is adjacent to the basin location.

          

  72. 11How many #12 RHH (with outer cover) can be installed in 1" IMC raceway?

          

  73. 5(210)A branch circuit rated 20 amps serves four receptacles. The rating of the receptacles must not be less than _____ amperes.

          

  74. True(220) When sizing a feeder, the appliance loads in dwelling units can apply a demand factor of 75 percent of nameplate ratings for ____ or more appliances fastened in place on the same feeder.

          

  75. Type S(240) Fuseholders of the Edison-base type shall be installed only where they are made to accept _____ fuses by the use of adapters.

          

  76. True(250) A grounding electrode is required if a building or structure is supplied y a feeder, or by more than one branch circuit.(true/False)

          

  77. True(230) As used in Section 230-95, the rating of the service disconnecting means is considered to be the rating of the largest _____ that can be installed or the highest continuous current trip setting for the actual overcurrent protection device installed in a circuit breaker is rated or can be adjusted.

          

  78. Raising of ladders(225) Where buildings exceed three stories, overhead lines shall be arranged so that a clear space at least 6 feet wide will be left either adjacent to the buildings or beginning not over 8 feet from them to facilitate the _____ when necessary for fire fighting.

          

  79. Two(220) For each farm building or load supplied by _____ or more branch circuits, the load for feeders, service-entrance conductors, and service equipment shall be computed in accordance with demand factors not less than indicated in Table 220-102.

          

  80. No. 3/0(250) What size copper grounding electrode conductor is required for a service that has three sets of 500 Kcmil copper per phase?

          

  81. An electrical system free from hazardCompliance with the provisions of the Code will result in _____. (Article 90)

          

  82. False(230) As used in Section 230-95, the rating of the service disconnecting means is considered to be the rating of the largest _____ that can be installed or the highest continuous current trip setting for the actual overcurrent protection device installed in a circuit breaker is rated or can be adjusted.

          

  83. Dusttight(230) When ground-fault protection is provided for the ____ disconnecting means and interconnection is made with another supply system by a transfer device, means or devices may be needed to ensure proper ground-fault sensing by the ground-fault protection equipment.

          

  84. True(230) Underground Service-entrance conductors are required to be insulated except when they are bare copper installed in a raceway, or bare copper and part of the cable assembly identified for underground use.(True/False)

          

  85. NoA round 3 x 1 ½ box has a volume of 6 cubic inches and has factory internal cable clamps. Can this pancake box be used with a lighting fixture that has a domed canopy? Thee branch circuit wiring is 14/2 NM sheath cable and a paddle fan has three fixture wires and one ground wire all smaller than No. 14

          

  86. 12 inchesA junction box contains two 2 inch raceways on the left side and two 2 inch raceways on the top. What is the distance between the 2 inch raceways that contain the same conductors?

          

  87. Load(250) A grounding connection shall not be made to any grounded circuit conductor on the ____ side of the service disconnecting means except as permitted for separately derived systems or separate buildings.

          

  88. 6(225) Outside branch circuits and feeder conductors shall have a vertical clearance of _____ feet from the surface of a roof.

          

  89. TrueUnderstanding Chapter 9 Tables: When equipment grounding conductors are installed in a raceway, the actual area of the conductor must be used when calculating raceway fill. T/F

          

  90. True(Article 90) The Code applies to the installation of electrical conductors and equipment within or on public and private buildings, of outside conductors and equipment on the premises, and of optical fiber cable. (True,False)

          

  91. Fuse(210)Indwelling units, outdoor receptacles can be connected to the 20 ampere small appliance branch circuit.(True/False)

          

  92. Controller(210)Each system _____ conductor, wherever accessible, shall be identified by a separate color coding, marking tape, tagging, or other equally effective means. This applies to multiwire branch circuits when there Is more than one system voltage in a building.

          

  93. True(240) Breakers and fuses can be used in parallel when factory assembled in parallel or listed as a unit.(True/False)

          

  94. Service(230) When ground-fault protection is provided for the ____ disconnecting means and interconnection is made with another supply system by a transfer device, means or devices may be needed to ensure proper ground-fault sensing by the ground-fault protection equipment.

          

  95. DryA ______ location may be temporarily subject to dampness and wetness.

          

  96. 15 inchesPull Box Sizing, Vertical Dimension: A pull box contains two 4 inch raceways on the left and two 2 inch raceways on the top. What is the vertical dimension of the box?

          

  97. 314-16aWhen all conductors are the same size, Table _______ can be used to determine the number of conductors permitted in the outlet box, or determine the size outlet box required for the given number of conductors

          

  98. True(250) Conductive materials enclosing electrical conductors or equipment are grounded to limit the voltage to ground and are bonded to facilitate the operation of overcurrent protection devices under ground-fault conditions.(True/False)

          

  99. 1, largestBox Fill Requirements: One or more internal cable clamps are considered as _____ conductors based on the ____ conductor that enters the box

          

  100. 12(220) For other than dwelling units, the feeder and service load calculation for track lighting is to be determined at 150 volt-amperes for every ____ feet of track installed.

          

  101. False(250) Currents that introduce noise or data errors in electronic equipment shall be considered objectionable currents.(True/False)

          

  102. Grounded(240) No overcurrent protection device shall be connected in series with any conductor that is intentionally grounded, except where the overcurrent protection device opens all conductors of the circuit including the _____ conductor, and is so designed that no pole can operate independently.

          

  103. Nonconductive coatings(250) _____on equipment to be grounded shall be removed from contact surfaces to ensure good electrical continuity.

          

  104. Ground-fault circuit interrupter protectionEquipment approved for use in dry locations shall be protected against permanent damage from the weather during _____.

          

  105. 14 inchesA junction box contains two 2 inch raceways on the left side and two 2 inch raceways on the top. What is the distance from the bottom to the top wall?

          

  106. Panelboards, receptaclesEquipment enclosed in a case or cabinet that is provided with a means of sealing or locking so that live parts cannot be made accessible without opening the enclosure is said to be _______.

          

  107. True(240) Markings on circuit breakers required by the Code shall be permitted to be made visible by removal of a _____ or cover.

          

  108. 15(210)A branch circuit rated 20 amps serves four receptacles. The rating of the receptacles must not be less than _____ amperes.

          

  109. One(210)At least _____ wall switch-controlled lighting outlet(s) shall be installed in every dwelling unit habitable room and bathroom.

          

  110. Vertical(230) The _____ clearances for all service drop conductors shall be based on a conductor temperature of 60 degrees F, no wind; with final unloaded sag in the wire, conductor, or cable.

          

  111. True(230) As used in Section 230-95, the rating of the service disconnecting means is considered to be the rating of the largest _____ that can be installed or the highest continuous current trip setting for the actual overcurrent protection device installed in a circuit breaker is rated or can be adjusted.

          

  112. 8Depth of Pull or Junction Box: A 24" x 24" pull box has two 2 inch conduits that enter the back of the box with No. 4/0 conductors. What is the minimum depth of the box?

          

  113. TrueService conductors only originate from the service point and terminate at the service equipment (disconnect). Conductors supplied from back-up generators, battery UPS systems, transformers, etc., are considered "feeders".

          

  114. 60%Understanding Chapter 9 Tables: When a raceway does not exceed 24 inches, the raceway is permitted to be filled to _____ of its cross-sectional area.

          

  115. 1(220) The feeder demand load for four 6 kw cooktops is _____ kW.

          

  116. Energized conductors(225) Lamps for outdoor lighting shall be below all _____, transformers or other electrical utilization equipment.

          

  117. No. 1/0A round 3 x 1 ½ box has a volume of 6 cubic inches and has factory internal cable clamps. Can this pancake box be used with a lighting fixture that has a domed canopy? Thee branch circuit wiring is 14/2 NM sheath cable and a paddle fan has three fixture wires and one ground wire all smaller than No. 14

          

  118. feederThe 2011 NEC defined ______ as all conductors between a source of power from a battery, a solar voltaic system, generator, transformer, or converter windings, and the final branch circuit overcurrent protections device(s).

          

  119. 70(220) The maximum unbalanced feeder load for household electric dryers shall be calculated at ____ percent of the demad load as determined by Table 220-54.

          

  120. Annex C(230) A building or structure shall be supplied by a maximum of _____ services.

          

  121. trim(240) Markings on circuit breakers required by the Code shall be permitted to be made visible by removal of a _____ or cover.

          

  122. Devices, cable clamps, fixture studs or hickeys.The Code prohibits damage to the internal parts of electrical equipment by foreign material such as paint, plaster, cleaners, etc. Precautions must be taken to provide protection from the detrimental effects of paint, plaster, cleaners, etc. on the internal parts of ______ and ______.

          

  123. FalseWarning signs for over 600 volts shall read "Warning - High Voltage - Keep Out". (True/False)

          

  124. Branch circuitsPull Box Sizing, Distance between Raceways: A pull box contains two 4 inch raceways on the left and two 2 inch raceways on the top. What is the minimum distance between the two 4 inch raceways that contain the same conductors?

          

  125. Appliance____ branch circuits supply energy to one or more outlets to which appliances are to be connected.

          

  126. FalseIn judging equipment, considerations such as mechanical strength and arcing effects should be evaluated(True/False)

          

  127. 4 ½ inchesA junction box contains two 2 ½ inch raceways on the left side and one 2 ½ inch raceway on the right side. The conductors from one 2 ½ inch raceway are pulled through the raceway on the righ wall. The other 2 ½ inch raceway conductors (on the side) are pulled through a 2 ½ inch raceway at the bottom of the pull box. What is the distance from the left wall to the right wall?

          

  128. .50(215)The feeder conductor ampacity shall not be less than that of the service-entrance conductors where the feeder conductors carry the total load supplied by service-entrance conductors with an ampacity of ____ amperes or less.

          

  129. Conductor(210)Multiwire branch circuits shall supply only line to _____ loads

          

  130. The low voltage equipment.Where switches, cutouts or other equipment operating at 600 volts nominal, or less are installed in a room or enclosure where there are exposed live parts or exposed wiring operating at over 600 volts, nominal, the high-voltage equipment shall be effectively separated from the space occupied by _____ by a suitable partition, fence, or screen.

          

  131. area of the raceway, percent area fill allowed, area of the conductors(230) Service heads must be located _____.

          

  132. 1, largestA junction box contains two 2 inch raceways on the left side and two 2 inch raceways on the top. What is the distance from the bottom to the top wall?

          

  133. Ungrounded(230) Each ______ service conductor shall have overload protection.

          

  134. 22 cubic inchesA junction box contains two 2 inch raceways on the left side and two 2 inch raceways on the top. What is the distance between the 2 inch raceways that contain the same conductors?

          

  135. 6U-Pull Calculations: The distance from were the raceways enter to the opposite wall must not be less than _____ times the trade diameter of the largest raceway plus the sum of te diameters of the remaining raceways on the same wall.

          

  136. 2, largestBox Fill Requirements: One or more internal cable clamps are considered as _____ conductors based on the ____ conductor that enters the box

          

  137. True(Article 100) According to the Code, automatic is self-acting, operating by its own mechanism when actuated by some impersonal influence such as change in current strength, mechanical configuration, temperature. (True/False)

          

  138. 2(220) Receptacle outlets in dwelling units are part of the ____ VA per square foot general lighting load.

          

  139. Supply side(230) Circuits used only for the operation of fire alarm, other protective signaling systems, or the supply to fire pump equipment shall be permitted to be connected on the _____ of the service overcurrent protection device where separately provided with overcurrent protection.

          

  140. 1, largestBox Fill Requirements: One or more fixture studs or hickeys within the box are considered as ____ conductors based on the _____ conductor that enters the box.

          

  141. TrueUnderstanding Chapter 9 Tables: When equipment grounding conductors are installed in a raceway, the actual area of the conductor must be used when calculating raceway fill. T/F

          

  142. True(210)Receptacles installed behind a bed in the guest rooms in hotels and motels shall be located so as to prevent the bed from contacting an attachment plug, or the receptacle shall be provided with a suitable guard.(True/False)

          

  143. 312.6(A)When conductors enter an eclosure opposite a removable cover, the distance from where the conductors enter to the removable cover determined using Table _____ (1 terminal column)

          

  144. 6An insulated grounded conductor of No. ____ or smaller shall be identified by a continuous white or natural gray outer finish along its entire length.

          

  145. True(240) Markings on circuit breakers required by the Code shall be permitted to be made visible by removal of a _____ or cover.

          

  146. 9(220) Receptacle outlets in dwelling units are part of the ____ VA per square foot general lighting load.

          

  147. 75 degrees CBox Fill Requirements: One or more grounding conductors are considered ____ conductor based on the ____ grounding conductor that enters the box.

          

  148. True(Article 90) Plans and specification that provide ample space in raceways, spare raceways, and additional spaces will allow for future increases in the use of electricity. Distribution centers located in readily accessible locations will provide convenience and safety of operation. (True/False)

          

  149. 40The actual area of conductor fill is dependent on the raceway size and the number of conductors installed. If there are three or more conductors installed in a raceway, the total area of conductor fill is limited to _____ percent.

          

  150. True(220) For each farm building or load supplied by _____ or more branch circuits, the load for feeders, service-entrance conductors, and service equipment shall be computed in accordance with demand factors not less than indicated in Table 220-102.

          

  151. four No. 16 or No. 18 fixture wires(220) The demand factors listed in Table 220-42 shall not be applied in determining the number of _____ for general illumination.

          

  152. True(240) Markings on circuit breakers required by the Code shall be permitted to be made visible by removal of a _____ or cover.

          

  153. True(210)A dedicated 20-ampere circuit is permitted to supply power to a dwelling unit bathroom for receptacle outlet(s) and other equipment within the same bathroom.(True/False)

          

  154. 15 inchesA junction box contains two 2 ½ inch raceways on the left side and one 2 ½ inch raceway on the right side. The conductors from one 2 ½ inch raceway are pulled through the raceway on the righ wall. The other 2 ½ inch raceway conductors (on the side) are pulled through a 2 ½ inch raceway at the bottom of the pull box. What is the distance from between the raceways that contain the same conductors?

          

  155. 1 ½ inchWhat size rigid metal nipple is required for three No. 4/0 THHN, one No. 1/0 THHN and one No. 4 THHN?

          

  156. 24 inchesPull Box Sizing, Vertical Dimension: A pull box contains two 4 inch raceways on the left and two 2 inch raceways on the top. What is the vertical dimension of the box?

          

  157. 50Box Fill Requirements: Wirenuts, cable connectors, raceway fittings and conductors that originate and terminate within the outlet box (such as equipment bonding jumpers and pigtails) are considered _____ conductor .

          

  158. SWD(220) For each farm building or load supplied by _____ or more branch circuits, the load for feeders, service-entrance conductors, and service equipment shall be computed in accordance with demand factors not less than indicated in Table 220-102.

          

  159. No. 18 and larger(240) Flexible cords approved for use with listed appliances or portable lamps shall be considered as protected by a 20 ampere circuit breaker if they are ____.

          

  160. True(230) As used in Section 230-95, the rating of the service disconnecting means is considered to be the rating of the largest _____ that can be installed or the highest continuous current trip setting for the actual overcurrent protection device installed in a circuit breaker is rated or can be adjusted.

          

  161. TUnderstanding Chapter 9 Tables: When equipment grounding conductors are installed in a raceway, the actual area of the conductor must be used when calculating raceway fill. T/F

          

  162. 55(215)The feeder conductor ampacity shall not be less than that of the service-entrance conductors where the feeder conductors carry the total load supplied by service-entrance conductors with an ampacity of ____ amperes or less.

          

  163. The side of a buildingThe necessary equipment, usually a circuit breaker or switch and fuse and their accessories, intended to constitute the main control and cutoff of the supply is referred to as _____.

          

  164. Grounded.When normally enclosed live parts are exposed for inspection or servicing, the working space, if in a passageway or general open space, shall be suitably _____.

          

  165. Festoon(225) Conductors for ____ lighting shall be of the rubber-covered or thermoplastic type.

          

  166. Sliding panels(210)In dwelling units, when determining the spacing of general use receptacles, ____ on exterior walls are not considered wall space.

          

  167. True(220) When sizing a feeder, the appliance loads in dwelling units can apply a demand factor of 75 percent of nameplate ratings for ____ or more appliances fastened in place on the same feeder.

          

  168. DeviceIdentification of the grounded conductor terminal on a device shall be by a metal or metal coating substantially white in color or the word ______ located adjacent to the identified terminal.

          

  169. Disconnecting means(230) In a multiple-occupancy building, each occupant shall have access to its own service_____.

          

  170. YesA round 3 x 1 ½ box has a volume of 6 cubic inches and has factory internal cable clamps. Can this pancake box be used with a lighting fixture that has a domed canopy? Thee branch circuit wiring is 14/2 NM sheath cable and a paddle fan has three fixture wires and one ground wire all smaller than No. 14

          

  171. True(240) Unless specifically permitted in 240-3(e) through 240-3(g), the overcurrent protection shall not exceed 15 amperes for No. 14 copper; 20 amperes for No. 12 copper; and 30 amperes for No. 10 copper.(True/False)

          

  172. True(220) When sizing a feeder, the appliance loads in dwelling units can apply a demand factor of 75 percent of nameplate ratings for ____ or more appliances fastened in place on the same feeder.

          

  173. Are not(Article 90)Installations of communications equipment under the exclusive control of communications utilities located outdoors or in building spaces used exclusively for such installations ______ covered by the Code.

          

  174. 10(230) Overhead sevice drop conductors shall have a horizontal clearance of _____ feet from a pool.(680.8)

          

  175. 18Pull Box Sizing, Vertical Dimension: A junction box contains two 3 inch raceways on the left side and one 3 inch raceway on the right side. The conductors from one of the 3 inch raceways on the left are pulled through the 3 inch raceway on the right wall. The other 3 inch raceways conductors are pulled through ta raceway at the bottom of the pull box. What is the vertical dimension of this box?

          

  176. 300 kcmilA junction box contains two 2 ½ inch raceways on the left side and one 2 ½ inch raceway on the right side. The conductors from one 2 ½ inch raceway are pulled through the raceway on the righ wall. The other 2 ½ inch raceway conductors (on the side) are pulled through a 2 ½ inch raceway at the bottom of the pull box. What is the distance from the left wall to the right wall?

          

  177. 4How many NO. 6 RHH (without outer cover) can be installed in a 1 " nonmetallic tubing?

          

  178. No. 6 AWG copper or No. 4 AWG AluminumIt is permitted to omit one equipment grounding conductor and not more than ______ that enter a box from a fixture canopy.

          

  179. 28 inchesPull Box Sizing, Vertical Dimension: A pull box contains two 4 inch raceways on the left and two 2 inch raceways on the top. What is the vertical dimension of the box?

          

  180. TrueIn judging equipment, considerations such as mechanical strength and arcing effects should be evaluated(True/False)

          

  181. 24(220) For other than dwelling units, the feeder and service load calculation for track lighting is to be determined at 150 volt-amperes for every ____ feet of track installed.

          

  182. Six(230) There shall be no more than _____ disconnects installed for each service, or for each set of service-entrance conductors as permitted in Section 230-2 and 230-40.

          

  183. OutletA(n) ______ is a point on a wiring system where current is taken to supply equipment that uses electricity.

          

  184. TrueUnderstanding Chapter 9 Tables: When equipment grounding conductors are installed in a raceway, the actual area of the conductor must be used when calculating raceway fill. T/F

          

  185. TrueA ______ location may be temporarily subject to dampness and wetness.

          

  186. Finished, unfinishedPull Box Sizing, Distance between Raceways: A pull box contains two 4 inch raceways on the left and two 2 inch raceways on the top. What is the minimum distance between the two 4 inch raceways that contain the same conductors?

          

  187. 5/8 inch(250) Stainless steel ground rods shall not be less than _____ in diameter.

          

  188. 18(230) Overhead sevice drop conductors shall have a horizontal clearance of _____ feet from a pool.(680.8)

          

  189. Lighting outletAn outlet intended for the direct connection of a lampholder, a lighting fixture, or a pendant cord terminating in a lampholder is a(n) _____.

          

  190. 4 x 1 ¼What size square box is required for 6 No. 14 THHN and 3 No. 14 THW?

          

  191. 3Box Fill Requirements: Each conductor that runs through the box is considered as _____ conductor.

          

  192. opening.Working space distances shall be measured from the _____ of equipment or apparatus if such are enclosed

          

  193. Occupant(230) Where the service overcurrent devices are locked or sealed, or not readily accessible to the _____, the branch circuit overcurrent devices shall be located in a readily accessible location.

          

  194. 7A 200 ampere feeder installed in rigid nonmetallic conduit schedule 80, has three No. 3/0 THHN, one No. 2 THHN, and one No. 6 THHN. What size raceway is required?

          

  195. 8U-Pull Calculations: The distance from were the raceways enter to the opposite wall must not be less than _____ times the trade diameter of the largest raceway plus the sum of te diameters of the remaining raceways on the same wall.

          

  196. TrueConnection of conductors to terminal parts shall ensure a thoroughly good connection without damaging the conductors and shall be made by means of solder lugs, pressure connectors, splices to flexible leads. (True/False)

          

  197. Grounded(210)Receptacle and cord connectors having grounding terminals must have those terminals effectively _______.

          

  198. Transformers(250) The grounding electrode conductor shall be made of copper, aluminum, or copper-clad aluminum.(True/False)

          

  199. Branch circuitsA junction box contains two 2 inch raceways on the left side and two 2 inch raceways on the top. What is the distance from the bottom to the top wall?

          

  200. 3Number of Conductors in an Outlet Box: Using Table 314-16a, how many No. 14 THHN conductors are permitted in a 4 x 1 ½ round box?

          

  201. Open(240) Overcurrent protection for conductors and equipment is provided to ______ the circuit if the current reaches a value that will cause an excessive or dangerous temperature in conductors or conductor insulation.

          

  202. 30(225) Communications conductors shall be mounted not less than ____ inches below power conductors rated over 300 volts supported on poles.

          

  203. 20 inchesA junction box contains two 2 ½ inch raceways on the left side and one 2 ½ inch raceway on the right side. The conductors from one 2 ½ inch raceway are pulled through the raceway on the righ wall. The other 2 ½ inch raceway conductors (on the side) are pulled through a 2 ½ inch raceway at the bottom of the pull box. What is the distance from the left wall to the right wall?

          

  204. TrueA ______ location may be temporarily subject to dampness and wetness.

          

  205. One(220) When a calculation results in a fraction of ampere of ____ or more, we "round up" to the next ampere.

          

  206. Explosion-proofAn apparatus enclosed in a case that is capable of withstanding an explosion of specified gas or vapor that may occur within it, and of preventing the ignition of a specified gas or vapor surrounding the enclosure by sparks, flashes, or explosion of the gas or vapor within, and that operates at such an external temperature that a surrounding flammable atmosphere will not be ignited is defined as _____.

          

  207. 0Box Fill Requirements: Wirenuts, cable connectors, raceway fittings and conductors that originate and terminate within the outlet box (such as equipment bonding jumpers and pigtails) are considered _____ conductor .

          

  208. True(210)For a one-family dwelling at least one receptacle outlet is required in each basement, attached garage, or detached garage with electric power.(True/False)

          

  209. 36(210)Receptacle outlets in a dwelling unit must be installed within _____ inches of the outside edge of each basin and the receptacle must be located on a wall that is adjacent to the basin location.

          

  210. .0353What is the area in square inches for a No. 12 RHH (with outer cover)?

          

  211. 5(220) Receptacle outlets in dwelling units are part of the ____ VA per square foot general lighting load.

          

  212. Building construction(225) Where buildings exceed three stories, overhead lines shall be arranged so that a clear space at least 6 feet wide will be left either adjacent to the buildings or beginning not over 8 feet from them to facilitate the _____ when necessary for fire fighting.

          

  213. Circuit conductorsA system or circuit conductor that is intentionally grounded is a(n)_____ This conductor is often called a neutral conductor in the field, and is identified with the color white or gray.

          

  214. True(220) When sizing a feeder, the appliance loads in dwelling units can apply a demand factor of 75 percent of nameplate ratings for ____ or more appliances fastened in place on the same feeder.