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Old 01-03-2014
wmjr wmjr is offline
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Re: Galvanic Isolator


The connection from AC to DC has me worried.

I have owned the boat for a long time but did not have much time to learn about the electrical system. I retired recently and now have time to begin tracing wires etc.

Whoever had the boat before me had some good ideas. Over 14 years ago they installed a 1, 2 both switch system (alternator to house, ACR, the works, exactly as you describe and diagram it.

But ... they labeled nothing (except the face of the panel).

Am I best off running a wire from the AC panel to the engine ground bolt for my AC/DC connection or does that risk unequal grounding somewhere?

Thanks for your Compass Marine site. Phenomenal place to learn.

Pacific Seacraft 31 #28
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