Dust Control Grounding

I have a portable dust collector and I was wondering how to ground the hose when I am constantly moving it around from machine to machine. I get shocked from the outside of the hose, so I assume there's some static going on on the inside.
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Lots of references online. Google Bill Pentz and click on "static electricity" for one commonly-cited source here. Also, I believe Lee Valley includes a little packet on grounding with all their DC accessories, and they may have more info online. Andy
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> electricity" for one commonly-cited source here. Also, I believe Lee Valley includes a little packet on grounding with all their DC
http://www.leevalley.com/wood/page.aspx?c=1&p0044&cat=1,42401
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I have one question about the LV instructions. They say that the grounding wire in the dust collection system should be grounded at both the dust collector and the woodworking tool. I understand the importance of a good ground, but wouldn't ti be better to ground through a single path?
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wrote:

If you get a 60hz hum in your audio equipment yes, but a ground loop in wood working tools probably is not hurting anything.
Mark (sixoneeight) = 618
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The better flexible hose has a wire already running through it, the coiled wire maintains the shape of the hose and comes out each end. Tie an end to a wire that is grounded. One end if fine.
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Use a short piece of stranded wire soldered to the wire in the hose and the other end attached to an alligator clip. Sometimes I have to solder a small piece of wire to the machine to be grounded if there is no place to fasten the clip.
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