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No need for dust collector ground wire ? Yeah right !

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Forum topic by Carloz posted 11-11-2017 04:46 AM 1464 views 0 times favorited 4 replies Add to Favorites Watch
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Carloz

954 posts in 424 days


11-11-2017 04:46 AM

Just finished working in my shop for today and decided to clean the dust inside the table saw with my HF dust collector. The hose is also from Harbor Freight, pretty good by the way. I think it has a wire inside the hose to keep it rigid. Or is it plastic ? It is not connected to anything though.
Anyway when I touched inside of table saw cabinet with the hose close to that wire it produced a huge bright sizzling spark. Very similar to what you see when shoring the electric outlet. I have no doubt it would ignite sawdust if it was closer. Still trying to calm down.
I actually have a grounding kit somewhere in the shelves, and I guess have a project for tomorrow.


4 replies so far

View Fred Hargis's profile

Fred Hargis

4753 posts in 2326 days


#1 posted 11-11-2017 04:03 PM

Well, I guess i still think you’re worried about nothing…unless it knocked you on your butt. I find it hard to get sawdust burning with charcoal lighter fluid.

-- Our village hasn't lost it's idiot, he was elected to congress.

View AandCstyle's profile

AandCstyle

2901 posts in 2090 days


#2 posted 11-11-2017 10:17 PM

Carloz, think about this a bit, the tubing is plastic, plastic is an insulator, how much will the grounding kit do for you? Do you think the kit will ground a millimeter from the wire leaving the rest of the tubing just as it is now? FWIW

-- Art

View BlasterStumps's profile

BlasterStumps

397 posts in 272 days


#3 posted 11-12-2017 12:21 AM

I used to use a Craftsman shop vac. I hated it because it shocked me all the time. Very annoying.

When my youngest son moved away about a year ago, he could not take some of his tools. He left behind a relatively new Ridgid shop vac. I love it. No more static shocking. I don’t know what Ridgid did in the construction of the vac or hose but they got it right. Nice tool for this dry climate.

I wonder if the dust collector hose could be necked down to accept a piece of the Ridgid vac hose?

View Holbs's profile

Holbs

1721 posts in 1862 days


#4 posted 11-12-2017 06:29 AM

One of the 57 reasons why I went with HVAC metal ducting instead of PVC ducting. I was never worried about starting a fire type of spark. But I do get enough of the “zapp” due to carpet in the home & work environments that I think I have brain damage after these 48 years!

-- The Carpenter Bee is derived from the Ancient Greek word wood-cutter

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