Question 9051 of 925 · California General Electrician Exam
At a marina, receptacles that provide shore power to boats must have individual ground-fault protection not exceeding what level?
Exactly one answer is correct.
You got of questions right. Here on the question pages nobody remembers which ones you got wrong. The trainer saves your progress and asks the mistakes again until they stick.
Or free: the 10 questions most people get wrong
Show solution
Correct answer to question 9051
- A: 30 mA
Explanation
Shore power receptacles at marinas and boatyards require ground-fault protection not exceeding 30 mA. Leakage current into the water can cause electric shock drowning, so tighter protection is applied at each boat connection.
More questions: Special Occupancies
- 9052At a marina, feeder and branch-circuit conductors installed on docks must have ground-fault protection set to open at not more than what level?
- 9053At a marina, 125-volt, single-phase, 15- and 20-ampere receptacles that do not provide shore power require what protection?
- 9055On a floating pier, electrical connections must be located at least how far above the deck?
- 9056At a marina, the disconnecting means for a shore power connection must be located within what distance of the receptacle it controls?
- 9057On a construction site, a 125-volt, single-phase, 20-ampere receptacle on a temporary power pole used by workers requires what protection?
- 9058Temporary electrical power for holiday decorative lighting is limited to a maximum period of how many days?