ND Electrician Practice Questions - North Dakota Journeyman Electrician License Exam

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A 10 HP, 230V, 3-phase motor has a full-load current of 28 amperes per NEC Table 430.250. What is the minimum size copper THW conductor required for this motor branch circuit?

14 AWG 12 AWG 10 AWG 8 AWG

Correct Answer:

10 AWG

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