questions about grounding dust collection

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Forum topic by , posted 05-29-2010 06:08 AM 1080 views 0 times favorited 6 replies Add to Favorites Watch
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2387 posts in 3509 days

05-29-2010 06:08 AM

We are soon to actually move into a shop. I have been using my 2 hp Grizzly by using Fazlok quick connect. Those are really nice. I just drag the hose around to the different machines. It is not the best way to work though. In the large shop, we are going to use an island style just like in our garage but we are going to run hose to each machine. I know that I need to set up anti static system and ground the set. I just purchased more hose from Peach Tree and they say they have wire in the hose that can be grounded.

My question is can I connect into the wire in the hose and then run a grounding wire outside to a grounding rod such as rebar in the ground. Any information is welcome.



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6 replies so far

View a1Jim's profile


117060 posts in 3539 days

#1 posted 05-29-2010 06:22 AM

I never ground mine.

-- wood crafting & woodworking classes

View Eagle1's profile


2066 posts in 3027 days

#2 posted 05-29-2010 12:41 PM

I have the wire running through mine but like Jim have never ground mine. I thought that ( I might be wrong). I think I heard that the wire in the tube didn’t need grounded. It’s made that way to keep the static away unlike regular pvc wich has a lot more chance of building up static..

-- Tim, Missouri ....Inside every older person is a younger person wondering what the heck happened

View Steve Peterson's profile

Steve Peterson

370 posts in 3044 days

#3 posted 05-29-2010 04:37 PM

I heard a tick-tick-tick sound when I first connected flex hose to my bandsaw. There were sparks jumping about 1/16” between the wire in the flex hose and the frame of the bandsaw. I simply bent the exposed wire so it is always touching the frame. This gives a good earth ground through the power cord.

I haven’t had to ground anything else, although someday I may ground all the flex hoses just in case. I am in California where it is fairly dry most of the time. Also everything is PVC except.

-- Steve

View davidpettinger's profile


661 posts in 3162 days

#4 posted 05-29-2010 04:49 PM

Don’t ground mine.

-- Methods are many,Principles are few.Methods change often,Principles never do.

View SnowyRiver's profile


51457 posts in 3442 days

#5 posted 05-29-2010 04:55 PM

It is best to run a ground wire inside the plastic hose/pipe then bring it out anywhere you have an angle pipe or blast gate, then back in again (use wire nuts to make a splice) then on to the next junction. Keep the wire as straight/tight as possible. I ground mine to the chassis of the machines and the other end is grounded to the chassis of the dust collector. The coiled wire that runs in the plastic hose for support doesnt work well for a ground since it isnt exposed to the inside static caused by the chips moving along the hose.

As David said, you could run a wire on the outside as well.

-- Wayne - Plymouth MN

View ,'s profile


2387 posts in 3509 days

#6 posted 05-31-2010 06:08 PM

Wayne, I think I will incorporate your idea when grounding everything to the machines. I thiink it will be just fine.

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