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CDawn09

Palm Sander Shocking Me While Sanding

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While using my sander, every 60-90 seconds I'll get a pretty good shock in the palm of my hand. I have my shop vac connected (it's not on or plugged in, just trying to direct the dust).  Any ideas why this might be happening and how I can fix it? Thanks!  (It's a 5" Bauer model 1712E-B) 

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I'd bet it's static electricity.  A ground wire from the sander around the DC hose  to a screw on the vac or DC. should solve the problem.

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Dust flowing through a plastic hose is a great static electricity generator. I bet your humidity is real low, right. We had to wrap a 12"  PVC extractor pipe at a retreading plant because it was arcing up to a couple of feet away. It's not dangerous itself, but can be painful and annoying as hell, & can startle to the point of dangerous distraction when it happens.

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Turn the vac on, you'll be amazed at how much better sanding is when the dust is actually pulled away.

The shock may only be static, but I would take precautions against electrucution from the tool, just in case. 

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You can slow the shocking down by wearing a glove on your sander hand. I would still ground everything. 

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1 hour ago, wtnhighlander said:

Turn the vac on, you'll be amazed at how much better sanding is when the dust is actually pulled away.

I’m wondering the same. Why is it not on? 

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Depending on where you live I know here in MN right now my humidifier can't keep up in the shop. There was a lot of static electricity when I was cleaning up with a dust collector hose last evening, could be something like that I got zapped a couple of times.

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