When your DC stick welder is set to straight polarity or you are running flux core wire in your wire feeder welder, the "ground" clamp is actually the positive lead and the electrode or wire is negative. Seems like there might be a problem there but it's been done lots of times and never heard of any trouble
If you are using your DC welder with reverse polarity or running solid wire with gas in your wire welder then the ground clamp is negative and the electrode or wire is positive. Seems like less potential for problems there. This is what I've always done and never had a problem.
Throw TIG in the mix and my head really spins about what it might do. I've never TIG welded anything while still attached to the vehicle.....
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Today's Featured Article - Old Time Threshing - by Anthony West. A lovely harvest evening late September 1947, I was a school boy, like all school boys I loved harvest time. The golden corn ripens well and early, the stoking, stacking,.... the drawing in with the tractors and trailers and a few buck rakes thrown in, and possibly a heavy horse. It would be a great day for the collies and the terrier dogs, rats and mice would be at the bottom of the stacks so the dogs, would have a busy time hunting and killing, all the corn was gathered and ricked in what we c
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