Vacuum Shock

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  #1  
Old 11-26-04, 05:13 PM
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Location: Okanagan Valley, BC, Canada
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Question Vacuum Shock

We have a central vac that is switched on and off at the tool end of the hose. I believe the switch system is run on low voltage DC or AC. Whenever I vacuum my shop and touch a piece of equipment that is plugged in and a metal part of the vacuum hose at the same time, I get an electrical shock. I have discovered that the shock is momentary only. I assume this must be static electricity and harmless. Am I right?
 
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Old 11-26-04, 06:20 PM
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Does it get worse during the wintertime? Then probably static.
 
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Old 11-27-04, 04:14 PM
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Location: welland ontario
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Does the sawdust stick to the outside of the pipe? Probably static. Potential fire/explosion hazard. Fine dust can explode.

Check out this article.

http://www.cepmagazine.org/pdf/100344.pdf
 
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