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what does the case ground hook to

08-04-2009, 05:30 PM
I got my 60 amp cutter and my arcforce 200 mig welder today andthey have a stud for case ground.What do i ground this to?

08-04-2009, 05:39 PM
There is quite a thread on unit grounding on the forum but basically you should connect this to an earth ground. It is a safety feature but also helps shield against HF currents. I connect mine to the same earth ground my electrical box is connected to. I use one wire of a jumper cable set to do this, easy on and easy off.
Here is a link to the thread http://www.longevity-inc.com/forum/electrical/476-workpiece-grounding.html