Even with a good shore ground connection, a ground fault aboard boat will still send some current into the water through the AC/DC grounding connection to the engine, propeller, and shaft because there are two current paths, not a single return path.
causalpending
Speaker
Mike BonakerEvidence Quote
“with a ground fault we've got we're going to have two paths you know because of because our ac is connected to our dc connected to this engine connected to the shaft um no matter what some of that fault current is going to go into the water”
Source
ABYC Online Education "Huddle": Discussion and Review of Popular Technical Topics with Mike Bonicker— American Boat & Yacht Council - ABYCCreated: 8/13/2026, 9:52:05 AM
My Notes
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