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Raceways and Conductors NEC Code Quiz Questions Answers 2
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Question 1 of 12
1. Question
1 pointsA Conduit containing exactly two conductors can only be filled to ____ of the cross sectional area of the conduit or tubing:
Correct
Incorrect
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Question 2 of 12
2. Question
1 pointsIndividual nonmetallic wireways must be supported as listed, and in no case shall be distance between supports exceeding _____:
Correct
Please Refer: NEC Code 378.30(A)
Incorrect
Please Refer: NEC Code 378.30(A)
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Question 3 of 12
3. Question
1 pointsThe sum of the cross-sectional area of all contained conductors must not exceed _____ of the wireways interior cross sectional area:
Correct
Please Refer: NEC Code 376.22(A) and 378.22
Incorrect
Please Refer: NEC Code 376.22(A) and 378.22
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Question 4 of 12
4. Question
1 pointsThe combined cross-sectional area of all conductors or cables must not exceed _____ of the interior cross-sectional area of the underfloor raceway:
Correct
Incorrect
Please Refer: NEC Code 390.6
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Question 5 of 12
5. Question
1 pointsThe number and size of conductors installed in any raceways must not exceed the raceways design limitations:
Correct
Please Refer: NEC Code 386.21
Incorrect
Please Refer: NEC Code 386.21
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Question 6 of 12
6. Question
1 pointsThe maximum approved electrical trade size for LFNC is _____:
Correct
Please Refer: NEC Code 356.20(B)
Incorrect
Please Refer: NEC Code 356.20(B)
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Question 7 of 12
7. Question
1 pointsWhere flexibility is necessary, Liquidtight Flexible Nonmetallic Conduit (LFNC) can be secured within _____ of the termination:
Correct
Please Refer: NEC Code 356.30(2)
Incorrect
Please Refer: NEC Code 356.30(2)
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Question 8 of 12
8. Question
1 pointsFMC must be fastened securely in place (by approved means) at intervals of _____ or less:
Correct
Please Refer: NEC Code 348.30(A)
Incorrect
Please Refer: NEC Code 348.30(A)
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Question 9 of 12
9. Question
1 pointsElectrical nonmetallic tubing must be secured every ____ or less:
Correct
Please Refer: NEC Code 362.30(A)
Incorrect
Please Refer: NEC Code 362.30(A)
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Question 10 of 12
10. Question
1 pointsRMC is the heaviest classification of the metal conduit:
Correct
Incorrect
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Question 11 of 12
11. Question
1 pointsA 4 AWG copper conductors with a temperature rating of 60oC has an ampacity of ______:
Correct
Please Refer: NEC Code Table 310.15(B)(16)
Incorrect
Please Refer: NEC Code Table 310.15(B)(16)
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Question 12 of 12
12. Question
1 pointsThe distance between PVC supports _____ as the conduit size increases:
Correct
Incorrect