nfhiggs
Well-Known Member
What it "can carry" and what you "should do" are often two very different things. 50 feet of 18g will dissipate in excess of 30W at 10 amps. With air circulation around it that might not be a problem, but bundle it, wrap it, tuck it into tight spaces...50' of AWG18 can carry 10A
IMO, 10 amps is too much current to continuously run through 18g wire. You're basically right at the limit, I like a bit of headroom.