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timmac's avatar
timmac
Explorer
Dec 13, 2013

Welding On Class A, Do I Just Disconect The Battery ?

Need a few areas that need welded on my motorhome, such as generator exhaust bracket and some heat shields on headers where the weld has broke, I own a small 20 amp welder and do small projects but ne...
Class A
Hank_MI's avatar
Hank_MI
Explorer
Dec 13, 2013
Ground clamp close to where you're welding and you should be good. Welders put out a lot of current but at a low voltage. My MIG welder puts out 17v, only a couple volts more than you may see coming out of your engine alternator at times. Amperage isn't a concern either, a fully charged engine battery puts out a lot more current than a welder.

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