Forum Discussion

191124x7's avatar
191124x7
Explorer
Jan 27, 2019

Solar: To Ground the panels or NOT to ground the panels?

I had a Renogy tech tell me it's not necessary, and an exhaustive search of the Internet has turned up a few people saying you're stupid if you DO and others saying you're stupid if you DON'T. I've...
BFL13's avatar
BFL13
Explorer II
Jan 28, 2019
The panel pigtails go to the controller, not to the battery. Some solar controllers are "positive ground". They can be used in an RV that is "negative grounded" at the battery to chassis. I have had that as a set-up, no problem.

Not sure that would be true if the panel frames were grounded to the RV chassis.

Mr Wiz posted something about how that works in the controller for which "side" is the variable, but I forget the details.

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