Originally Posted by Rodan
How do you grade welding wire so I get the right stuff?
Don't ask for welding wire cos that is commonly how MIG welding wire is referred to. You need the type of cable used for connecting the welding set to the work piece.
Just get the fattest you see fit. Although I recommended welding cable a good while back and it is very suitable, I've also recommended this
; largely because it's easier to source and secondly because of it's coloured sheath. I've used it for wiring my diesel starting circuit without a problem. However, I see they are now only 4.5metres in length so that may be limiting for you.