There was a very lengthy discussion on this topic a while back and honestly I don't feel it reached any clear conclusions, but all kinds of interesting info was shared:
I ended up leaving 48v DC floating/isolated and putting a fuse on both sides of the AC and grounding to a through-hull that is connected on the outside to a grounding plate. My zincs do seem to get used up very quickly, guy in the boatyard says that's because of a high number of other boats in the marina doing sketchy things, I have no idea.
On Jul 31, 2022, at 05:46, THOMAS VANDERMEULEN <tvinypsi@gmail.com> wrote:
Matthew:
Do you operate an electric boat with AC aboard? If so, to what is your AC safety ground wire attached? [How are you earthing the AC on your vessel?]
Thanks.
[-tv]
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