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NEC Code Practice Tests Quiz Questions Answers 9
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Question 1 of 12
1. Question
1 pointsA general use ac snap switch is permitted as the motor disconnecting means for ac motors rated _____ or less and 300V
Correct
Please Refer: NEC Code 430.83(C)
Incorrect
Please Refer: NEC Code 430.83(C)
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Question 2 of 12
2. Question
1 pointsFor hermetic refrigerant motor compressor, the ampere rating must be ______ of the nameplate rated load current or branch circuit selection current whichever is greater:
Correct
Please Refer: NEC Code 440.12(A)(1)
Incorrect
Please Refer: NEC Code 440.12(A)(1)
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Question 3 of 12
3. Question
1 pointsIf the room air conditioner is the only load connected to the circuit, the marking rating of the air conditioner must not exceed ______ of the rating of the circuit overcurrent device:
Correct
Please Refer: NEC Code 440.62(B)
Incorrect
Please Refer: NEC Code 440.62(B)
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Question 4 of 12
4. Question
1 pointsThe ampacity of the conductors from the generator winding to the line side of the generator overcurrent protection device must not be less than ______ of the nameplate rating of the generator:
Correct
Please Refer: NEC Code 445.13
Incorrect
Please Refer: NEC Code 445.13
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Question 5 of 12
5. Question
1 pointsThe dwelling unit feeder / service neutral calculated load for household electric ranges, wall mounted ovens, or counter mounted cooking units can be calculated at _______ of the cooling equipment calculated load:
Correct
Please Refer: NEC Code 220.61(B)(1)
Incorrect
Please Refer: NEC Code 220.61(B)(1)
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Question 6 of 12
6. Question
1 pointsOverhead conductors installed above a window is required to maintain 3 ft distance from the window:
Correct
Please Refer: NEC Code 225.19(D)(1) Exp
Incorrect
Please Refer: NEC Code 225.19(D)(1) Exp
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Question 7 of 12
7. Question
1 pointsConductors are considered outside when encased or installed under not less thanĀ _____ of concrete:
Correct
Please Refer: NEC Code 230.6
Incorrect
Please Refer: NEC Code 230.6
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Question 8 of 12
8. Question
1 pointsOverhead service conductors must maintain a vertical clearance not less than _____ above platforms, projections or surfaces from which they might be reached:
Correct
Please Refer: NEC Code 230.24(B)
Incorrect
Please Refer: NEC Code 230.24(B)
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Question 9 of 12
9. Question
1 pointsUnderground service conductors must be smaller than ______ copper conductor:
Correct
Please Refer: NEC Code 230.31(B)
Incorrect
Please Refer: NEC Code 230.31(B)
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Question 10 of 12
10. Question
1 pointsUnderground service conductors must have their location identified by a warning ribbon placed in the trench atleast _____ above the underground conductor installation:
Correct
Please Refer: NEC Code 300.5(D)(3)
Incorrect
Please Refer: NEC Code 300.5(D)(3)
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Question 11 of 12
11. Question
1 pointsThe smallest conductor permitted for branch circuits for residential, commercial and industrial locations is _____ copper conductor:
Correct
Please Refer: NEC Code 310.106(A)
Incorrect
Please Refer: NEC Code 310.106(A)
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Question 12 of 12
12. Question
1 pointsType AC Cable must be secured within _____ of every outlet box, junction box, cabinet or fittings at an interval not exceeding 4.5 feet:
Correct
Please Refer: NEC Code 330.30(B)
Incorrect
Please Refer: NEC Code 330.30(B)