SC Electrician Practice Questions - South Carolina Electrician Contractor Examination Exam

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Three 460-volt, three-phase motors — 25 hp (34 A), 10 hp (14 A), and 5 hp (7.6 A) — are supplied by one feeder. What feeder ampacity does 430.24 require?

55.6 A 64.1 A 69.5 A 34.0 A

Correct Answer:

64.1 A

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