Reply by sawdustdad

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Posted on Dust Collector Hose

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379 posts in 1271 days

#1 posted 11-28-2017 01:52 AM

If your hose is connected to metal ductwork, that will dissipate any static charge. In my previous shop, using PVC pipe, I ran a wire around the exterior of the duct and grounded that. I put a few pop rivets through the PVC duct to bleed off the static charge—though I never saw any evidence that static charges were building up. I’ve got metal duct now, so I don’t worry about it any more.

I think the risk of static build up in a home shop DC system is overstated. You’d need to collecting a huge amount of fine sanding dust to create a combustible mixture. Most tools make chips, not dust, so explosive conditions don’t occur.

I’d be interested if hearing if anyone EVER had a problem from static in a hobbyist DC system.

-- Murphy's Carpentry Corollary #3: Half of all boards cut to a specific length will be too short.

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