NEC Code Questions Practice Test-6
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Free NEC code Questions Practice Test-6
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Question 1 of 10
1. Question
1 pointsWhat is the minimum size of aluminium conductor used for surge protective devices?
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Refer: NEC 280
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Question 2 of 10
2. Question
1 pointsWhich of the following is the standard fuse rating of an electrical fuse as per NEC?
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Question 3 of 10
3. Question
1 pointsWithout applying any de-rating factor for conductor current carrying capacity, how many conductors can run parallel in raceway or cable?
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Refer: NEC table 310.15(B)(3)(a)
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Question 4 of 10
4. Question
1 pointsA 120 volts panel has a rating of 50A. What is its maximum over current device rating?
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Refer: NEC 408
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Question 5 of 10
5. Question
1 pointsWhich of the following is maximum operating voltage of a low voltage lighting system?
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Refer: NEC 411.2
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Question 6 of 10
6. Question
1 pointsThe standby power shall be available not more than ……………..
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Refer: NEC 701.11
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Question 7 of 10
7. Question
1 pointsIn class I division 2 location, unless it is specified the cross sectional area of the conductors permitted in a seal shall not exceed …………. percentage of a cross sectional area of RMC
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Refer: NEC 501.15(C)(6)
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Question 8 of 10
8. Question
1 pointsBranch circuits for heating and air conditioning equipment located in the elevators shall not exceed which of the following voltage?
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Refer: NEC 620.3(C)
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Question 9 of 10
9. Question
1 pointsWhat is the minimum volume allowance required per a No 14 AWG conductor?
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Refer: NEC Table 314.16(B)
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Question 10 of 10
10. Question
1 pointsMutli-wire branch circuits shall not be permitted in class I division I locations.
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Ref: NEC 501.40