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 - The Nuts and Bolts of Fasteners - Part 2 - by Curtis Von Fange. In our previous article we discussed capscrews, bolts, and nuts along with their relative hardness and thread sizes. In this segment we will finish up on our fasteners and then work with ways to keep them from loosening up in the field. Capscrews, bolts and nuts are not the only means of holding two parts together. When dealing with thinner metals like sheet tin, a long bolt and
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