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crcr's avatar
crcr
Explorer
Jan 07, 2020

Solar Panel, Unmarked Pigtails, which is Positive, Negative?

I bought 5 solar panels recently, the pigtails on the two HQST solar panels are marked as to positive and negative, but the pigtails on the three Renogy 100w panels are not marked. On the HQST panels...
drsteve's avatar
drsteve
Explorer
Jan 09, 2020
crcr wrote:
I have another related question and since it is about the mounting of solar panels on an RV roof, I will ask it in this thread rather than start a new thread.

I have stainless steel hardware to fasten the solar panels to my RV roof. Since stainless steel is known to sometimes gall, would it be wise to use a little bit of Anti-Seize on the SS nuts and bolts when assembling them? The pic below is of some copper-based anti-seize that I happen to have.



On an RV, I'd be more concerned about fasteners coming loose.

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