Trailer Electrical Ground/Frame and Solar
The negative terminal of the battery goes to the frame via 6ga wire. And I think the AC ground goes to the frame when we're not off-grid. I'll wire the MPPT controller with two 6ga wires going to...
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On the second thought - if you don't use GFP, there is no need in a common Ground bus. Just make sure ground wires are short. Common Neg bus can be skipped if this makes design easier.
