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...
Forum Discussion
I think that installing a GFPD should be considered... Ground-fault protection is not just for residential roofs anymore. The 2008 NEC, for example, requires ground-fault protection for all “grounded dc photovoltaic arrays.” The seminal event that prompted this change was a ground fault that melted through the side of metal conduit on a medium sized commercial system. Even if one interprets that the code does not apply to our campers, $50 dollars for additional fire safety seems like good sense.
