Steve,
Thanks sir! Looking forward to how you make out with the switches...
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The plastic sticks. I hadn't thought about that aspect of it. I'll have to give the grounding a try in this case to see if it alleviates the problem. The shop I had in my last house had an extensive DC system with hoses, piping, and gates to every machine. All of them were wired for grounding. When I moved to this house I researched the grounding issue extensively and concluded (for myself) that it isn't necessary for the amount of loose dust/shavings I generate. By that I mean I have to be very fastidious in my shop since the HVAC system is the same one that serves my entire house and if I let lots of dust sit/float around my shop, it ends up on the TV screen and dining room table. Whenever I am in my shop I run an air scrubber in addition to a DC so there is very little dust to clean up anyway. I have seen sanding dust fires and I am confident that the conditions that would cause one are not present in my shop. That said, I have large fire extinguishers at both ends of my shop. YMMV
BTW, I do all my painting in the garage, not in my shop.
200k