Question 13115 of 790 · California General Electrician Exam
A three-phase feeder supplies 120 A of continuous load and 40 A of noncontinuous load. What is the minimum standard overcurrent device rating?
Exactly one answer is correct.
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Correct answer to question 13115
- C: 200 A
Explanation
The calculation is 120 x 1.25 + 40 = 190 A, and the next standard size above 190 A is 200 A. Ignoring the 125 % factor gives 160 A, which would round to 175 A.
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