On Wed, 24 Feb 2016 00:15:55 -0600, -MIKE-
wrote:

On 2/24/16 12:07 AM, Puckdropper wrote:
Keith Nuttle wrote in
:


I hope every one also noted the comments about the static electricity
that can build up in plastic pipes in your dust collection system.
They must be grounded to dissipate this charge.

Also while the article is about wood dust, the dust of other organic
material can be equally explosive.

Bottom line keep things clean and avoid excessive dust.


If you notice static from your DC system, by all means ground it. It's not
for safety per se, but just to keep you from getting an annoying shock.
One of the normal human reactions when you get a shock is to move rapidly
away from it, which could cause you to hit something.

I had to ground the discharge chute (a piece of downspout extender) on my
planer because of the annoying shocks. That's the only reason I bothered.

Puckdropper


Thank you, voice of common sense.
I believe that's the *actual* reason for grounding a dust collector
system. Unfortunately it seemingly got hijacked by the oak rust society
and now the common but false believe is that's it's done to prevent
"explosions."

Another reason to use metal ducting.

BOY HOWDY!