NEC 2023 says to connect all grounding to the MSP ground only, but also says a separate ground for the array is permitted but not required.
BUT, a secondary ground could give rise to a dangerous earth ground potential between the separate earth ground connections, aka a ground loop.
This video...
I'm about to buy a 2 XW Pros and won't sell to grid but would like grid power as backup. When you say "my backup generator" does that mean you wire the grid AC to your generator terminals in the inverter? I've seen many on forum say wiring grid AC into inverter will back feed small amounts to...
See Will Prowse's video 2:45 from a year ago, he says to avoid ground loops as they are dangerous.
NEC 2023 says to connect all grounding to the MSP ground only, but also says a separate ground for the array is permitted but not required.
BUT, a secondary ground could give rise to a...