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Re: welding and electrical

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Posted by JohnDeere720GA on January 16, 2012 at 07:27:54 from (66.156.100.240):

In Reply to: welding and electrical posted by notjustair on January 15, 2012 at 20:31:10:

How about adding a second ground that is tied directly to earth? Can we be 100% sure that the "ground" lead is grouned to earth? I have not taken a welder apart but I know you can change the polarity of a dc rig.

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