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Old 05-02-2019, 08:25 PM   #12
Comodave
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City: Au Gres, MI
Vessel Name: Black Dog
Vessel Model: Formula 41PC
Join Date: Jul 2015
Posts: 21,185
Does the slip with the 50 amp service have the new GFI? Maybe the slip with the 2 30 amp outlets does not. It sounds like maybe your neutrals are comingled on the boat. How experienced are you with marine electrical systems? If you don’t have a good handle on it maybe you should call in a certified marine electricial to diagnose the problem. If you don’t get it right it could cause a fire or worse.
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