Join Date: Feb 2000
Location: Annapolis, Md
Thanked 449 Times in 379 Posts
Rep Power: 10
Re: locating 110V fuse? / outlets not working
There are a range of possibilities here, you may need to track the system to find them. Here are my thoughts:
1) Starting from the power connection make sure the cable is properly connected at the dock and the boat. It is possible that you may be missing one leg of a three-phase service.
2) Depending on when your boat was built, or the electrical system was updated last, there is supposed to be a master cut off switch within a wire length of 6 feet from the point that power enters the boat. This is usually a breaker or fuse. In my case this breaker is physically located in a lazarette a couple feet from the power connection but the actual cut off switch that turns it on and off is on the the other side of the bulkhead at the foot of the quarter berth.
3) Often boats will have a polarity sensor and in recent years, these include a cut off when the polarity is reveresed. While a 110 volt hot water heater might not be expected to have a polarity, if wired with reverse polarity it could trip the polarity sensor.
4) One or more of the breakers are bad.
5) Since none of the breakers are labeled 'house', 'receptacles', or 'outlet', it is possible that there is a sub-panel somewhere for the receptacles. It is also possible that the breakers labeled 'spare' are for the receptacles, in which case those are currently turned off.
6)Wired properly, it is unlikely that the ground fault receptacles are daisy-chained in the same way that they are in homes so one blown ground fault is not likely to impact another receptable.
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Curmudgeon at Large- and rhinestone in the rough, sailing my Farr 11.6 on the Chesapeake Bay