I am in the market for some 1/0 cable and before I started looking I thought that every wire was the same. What is the real difference? I want to use black so welding cable is ok with me but what is the difference in that vs ofc? Also, I was getting ready to click the "buy now" button on ebay for a roll of metra install bay but it is cca and I have read where 1/0 cca is no better than 4g ofc so it gets a little confusing on what to buy. I don't want to spend allot of money on pwr wire but I will be running 180- 200 amps of current so I need something that will be sufficient for that amount and not stiff as a board. Will the cca do? Will welding cable work as good as ofc? Or do I need ofc?