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    Residential Construction Academy House Wiring
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    Exam 6: Determining Branch Circuit, Feeder Circuit, and Service Entrance Requirements
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    According to Section 310
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According to Section 310

Question 21

Question 21

Multiple Choice

According to Section 310.15(B) (7) in the NEC, the minimum conductor size for a 300-ampere residential service entrance is _________ Cu or _________ Al.


A) 2 AWG; 1/0 AWG
B) 2/0 AWG; 4/0 AWG
C) 250 kcmil; 350 kcmil
D) 400 kcmil; 600 kcmil

Correct Answer:

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