Question 8037 of 844 · Washington 01 Journey Level Electrician Exam
The largest motor on a feeder has a 100 A branch-circuit breaker. The other motors have FLCs of 20 A and 10 A. What is the maximum standard feeder breaker size?
Exactly one answer is correct.
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Correct answer to question 8037
- B: 125 A
Explanation
Section 430.62(A) gives 100 A plus 20 A plus 10 A, which is 130 A. The feeder device may not exceed this value, so the next lower standard size of 125 A is the maximum.
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