diy solar

diy solar

flange nuts require a flat washer?

Why does scratching matter?
To me it means you shouldn't turn the busbars over any more. Then it doesn't matter.
I like the feel of a regular nut on a flat washer. Personal preference.

I know you weren't asking me. I'm sure Campin has thoughts since you were asking him.
 
Why does scratching matter?
It didn’t matter then I read ArthurEld’s comments Lol. And I prefer to torque a flat surface in this case. If something vibrates loose, I’ll use low-strength locktite.
 
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