Looking for : 1/0 gauge wire

cca isn't full ofc which has less power transpher i would personally spend the extra and get full 100%ofc wire as this will have the best current transferred. and all welding wire is 100%ofc

 
CCA = Clad Copper Aluminum, whereas most of the wire you see is OFC = Oxygen Free copper. OFC can carry more current, however OFC 0g isn't necessary really until 3,000+w.

 
Yeah unless you plan on upgrading to bigger and better things in excess of 2500-3000w, in which case just spend the extra and get the OFC now. I like to do big wire for my big 3, personally. The run in my car is like 5ft so I can spend the extra on big stuff and it isn't a problem. I would get some 2/0 welding if I were you, you can get some used for like $3 a foot and it's some great stuff.

 
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