ND Electrician Practice Questions - North Dakota Journeyman Electrician License Exam

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A 3-phase, 480V motor draws 52 amperes FLC. What is the minimum size copper THWN conductor at 75°C per NEC Table 310.16?

8 AWG (50A) 6 AWG (65A) 4 AWG (85A) 3 AWG (100A)

Correct Answer:

6 AWG (65A)

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