I've never grounded and never had a static charge problem but my understanding is you run a copper wire inside your ducting and ground the end.

The maker of your device may have grounding information.

You can buy 4" anti static hose. I have one 10' length. It doesn't contract in length at all.

 

Peel some plastic off a 2-3" length of the wire inside the hose on each end of the hose. Bend this wire underneath the hose clamp and clamp it against the machine or metal duct at every connection. If the dust collector is properly grounded, the static can discharge through the wire and into the machine's ground.

We've done this for multiple machines and never get zapped anymore. It used to happen occasionally.

 

The static electricity is collecting on the metal part of your hose, in this case, the hose clamp. Okay, that’s what you said. The easiest way to not get shocked is to ground the metal part you’re touching, before you touch it. I would, and have, used a piece of solid copper wire, like from some 12 gauge Romex, slide the bare end under the the hose clamp and secure. Wrap part of the wire with electrical tape, I use shrink tubing, so you can grab the wire, and touch the wire to a grounded surface before handling the hose clamp. I would also suggest that you ground the metal case of your tools when you can. I use drag chains or cables on my mobile tools (which is all of them). I only suggest this because you imply this end gets moved around, and, it’s pretty hard, at least I’ve found, to eliminate the static charge on a dust collector hose that is moved from one tool to another.

 

Never noticed static in my lines but they are all under ground, only thing I touch is the gates.

 

My first thought is to check the grounding of the planer mains wiring. Static wont travel along the outside of a plastic pipe and it shouldnt occur at the machine end anyway.

 

What JAAune said should solve your problem, attaching the wire in the hose to a ground will stop the shock.

 

Yes, ground that wire. On a particularly dry day Inhad this experience. I got quite a zap.

 

POW!

 

There seems to be, not necessarily on this entry, some question of what static electricity is and what causes it. The movement of a surface over another surface may/will cause an imbalance of electrical Charge in the surfaces. A sander is a good example and thanks to rwe2156, we can see that first hand. The moving, non-conductive sanding belt, traveling through the air (which is full of impurities), acquires a build up of an electrical charge. When the build up becomes great enough to overcome the air gap resistance, it will discharge to the path of least resistance. Understand that your non-conductive dust collector hose is storing this charge because of the imbalance of the electrical charge acquired from the air and particulate within the hose. So, just putting a conductive wire inside the tube may not necessarily prevent the static charge from occurring unless the wire itself is grounded. Of course it is the electrical charge that is transferred, we’re not actually sucking electrons from a material and adding them to another, that would change the physical properties of the atoms. Electricity is very interesting and more than a little bit complicated at times. If you already knew this just ignore me. There just seems to be a universal belief among laymen that if a material is non-conductive, it doesn’t store a charge.

 

I’ll report back once in use, but on my dC build I’m using pvc duct, I coated it inside and out w graphite paint (conductive and slippery) and going to make sure there’s a ground between the DC and the graphite coated pipe. I plan on making sure flex hose wire comes in contact w the graphite pipe where I hook it up.

Hoping this eliminates any pokes and I figured the slick nature of the coating wouldn’t hurt either.

We shall see if it works in practicality soon. It’s been so dry this winter everything is charged around here. Our cat lights up if you pet him in the dark! Lol

 

I’ll report back once in use, but on my dC build I’m using pvc duct, I coated it inside and out w graphite paint (conductive and slippery) and going to make sure there’s a ground between the DC and the graphite coated pipe. I plan on making sure flex hose wire comes in contact w the graphite pipe where I hook it up.

Hoping this eliminates any pokes and I figured the slick nature of the coating wouldn’t hurt either.

We shall see if it works in practicality soon. It’s been so dry this winter everything is charged around here. Our cat lights up if you pet him in the dark! Lol

If you’re going to all that trouble make certain you ground your dust collector. Nylon wheels don’t do it, neither does hanging it on a wall! ⚡

 

I tried graphite paint on the underside of my mower deck. The soft, green grass clippings stripped it off like a sandblaster. The solution is metal ductwork, all bonded to the machines and the electrical system ground conductor. Bond the wire in the hose at one end. The plastic in the hose or plastic pipe used for duct is an insulator, and can not be grounded. If an insulator could be grounded, the electrical distribution system would not work.

 

I coated my mower decks with used oil.

 

I thought the paint would last longer. Wrong.

 

I had a Dust Deputy on my old Shop Vac. Attached a wire to the metal collar, drilled a hole in a big washer and put the wire through the hole to drag on the ground.