Originally Posted by 1989yj4.2
I have some extra 4 gauge amp wire. Has anyone ever used amp wire for this?
I have. Works great, if you use spec wire. Specifically, I have Kicker OFC 4ga power wire for my main connections.
Wire does not know what it will be when it grows up. Good wire is good wire, and cheap wire is cheap wire. (I have even used the same brand/size as jumper cables in emergencies)