Re: Welding table wiring question

Posted by Crem on November 29, 2006 at 17:34:13 from (207.118.226.101):

In Reply to: Re: Welding table wiring question posted by Bob on November 29, 2006 at 16:52:35:

I can see how you could have burnt the ground wire on your chop saw. The conditions have to be right, or should I say wrong. One way would be if your welder ground cable was laying on top of your welding machine and making contact with the metal welder housing. The welding current would go from your work table through the metal frame of the chop saw, through the ground wire in the chop saw power cord, back to the breaker panel and then out through the ground wire of the power cord of the welder and then to the ground clamp that was laying on the welder. I am retired now, but we had a lot of weird problems like that involving welding tables and the different equipment around them. They let the smoke out of a lot of cords. :o)) We actually built our own ground fault detector that would sense a current in the ground wire in the welder power cord and shut the machine down. Some newer welders now have that protection built in, but that won't protect the other equipment in the area though.

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