Question 1116 of 844 · Washington 01 Journey Level Electrician Exam
Equipment intended to interrupt current at fault levels must have an interrupting rating that is:
Exactly one answer is correct.
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Correct answer to question 1116
- B: At least equal to the available fault current at its line terminals
Explanation
110.9 requires equipment intended to interrupt current at fault levels to have an interrupting rating at nominal circuit voltage sufficient for the current available at its line terminals.
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