Question 9052 of 871 · Maryland Journeyperson Electrician Exam
At a marina, feeder and branch-circuit conductors installed on docks must have ground-fault protection set to open at not more than what level?
Exactly one answer is correct.
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Correct answer to question 9052
- A: 100 mA
Explanation
Feeders and branch circuits on docks require ground-fault protection not exceeding 100 mA. Coordination with downstream 30 mA devices at shore power receptacles is permitted.
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