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Sticky solution for static shock

Grounding PVC .

Using PVC pipe for a dust-collection system can create static buildup. Grounding the PVC eliminates the problem, but running ground wire inside the pipe is a pain, especially if you’ve glued the joints together. Grounding on the outside works just as well, so I came up with an inexpensive, easy method using aluminum tape available from home centers. 

Apply a continuous ribbon of this paper-backed adhesive tape along the length of each run of ductwork.   To ensure a continuous connection throughout the length of the ductwork, span any branch PVC fittings, such as blast gates, with stranded automotive wire, each end secured with a sheet-metal screw. 
—Craig Walker, Hilham, Tenn.

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