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DC Ground vs. Negative Return
YES - A/C (Green) should be grounded on the boat.
Paraphrasing Shore-Power Grounding per ABYC Section E-8.23.2.6.2
A/C Ground (Green) wire is connected to:
- Optional Galvanic Isolator
then
- All non-current carrying parts of boat’s A/C system, INCLUDING:
- engine negative terminal or it’s bus.
Regards,
Gord
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