110V AC problems

[waynebeegrabber]

I have a1977 model 300. After a lightning storm and a week of not visiting my boat in the harbor I came back to find the shore power had went off and a pint of bait shrimp had went to mush in the fridge. The dock connection was not tripped and the shore power cable tested OK for continuity and shorts. I assumed the problem must be the polarity protection breaker since it would reset until I used electricity through any of the other breakers, when it would immediatly trip. I ordered another main breaker and the same condition exists. Other than possibly recieving a bad breaker from the factory, does anyone have any suggestions I can try? Or how can the new breaker be diagnosed out of the circuit?

 

[AKBASSKING]

I have a1977 model 300. After a lightning storm and a week of not visiting my boat in the harbor I came back to find the shore power had went off and a pint of bait shrimp had went to mush in the fridge. The dock connection was not tripped and the shore power cable tested OK for continuity and shorts. I assumed the problem must be the polarity protection breaker since it would reset until I used electricity through any of the other breakers, when it would immediatly trip. I ordered another main breaker and the same condition exists. Other than possibly recieving a bad breaker from the factory, does anyone have any suggestions I can try? Or how can the new breaker be diagnosed out of the circuit?

Have you tried to take a meter and check the new breaker?

 

[mistercomputerman]

I am not an electrician.

That said, your description sounds like a short to ground. Cut off all the 110 power, cut on the main, then cut on and operate individual breakers and the individual devices on each circuit one at a time. After testing a circuit without tripping the breaker, cut that circuit off before going to the next one.

Check all of the ground fault circuit interrupter outlets to make sure none of them are tripped/tripping.

And that's my $.02.

 

[starve rock]

TRY LOOKING AT YOUR CONNECTION COMING IN FROM YOUR POWER PLUG CORD FROM THE DOCK TO YOUR BOAT THE PLUG ON YOUR BOAT CAN BE FRIED THAT IS WHERE YOU CONNECT YOUR POWER TO IT.:thumbsup: