Posted by Paul(in NY) [12.64.96.228] on Saturday, January 03, 2015 at 14:44:16 :
In Reply to: Re: Built a Plywood Sand Blasting Box posted by Willy-N [72.171.192.117] on Saturday, January 03, 2015 at 13:24:08 :
Suggest you ground the cabinet and run a bare ground wire thru the hose to the shop vac. Ground and bond it well to prevent any chance of a static spark and dust explosion. Unlikely, but if it did happen, very bad. You can read about it in the NFPA National Fire Codes section on blasting cabinets.
Paul
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