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Chuey wrote:I stopped at a car stereo place on the way to work. They have some 4guage wire with thick insulation. They didn't know how much to sell it for. I went away empty handed. I'll try another place soon. Thanks for the answers.

Chuey

I bought some 4 gauge where they sell welders supplies. Good pliable insulation and it was cheap ($1.59 / ft.)
It's great for pos/neg battery/starter cables.
I think it is overkill for the other ground wires, 10 Gauge should be fine for that.

Chuey,

it would have been worth their while to give the wire to you..........

I was wrong when I posted 4 guage. I meant 10 guage. What I liked about the wire the car stereo place had was that it had finer strands and more of them than what I see at the auto parts store. I'll try another place because that's the next step on the bike I'm putting together, so I can put some covers back onto the engine.

Chuey

Chuey wrote:I was wrong when I posted 4 guage. I meant 10 guage. What I liked about the wire the car stereo place had was that it had finer strands and more of them than what I see at the auto parts store.
Chuey

"IN GENERAL":
Fewer (or single) strands can carry more current within the same gauge. More strands = more flexibility.

Actually, I think NEC ratings for amperage vs. gauge are for fire and heat generation, since 12 AWG (gauge) is rated for 80 amps when uninsulated in open air.