I am putting together a permenent shop in a 30×40 building.question is…setting up table saw/router table in middle of floor(concrete).I have an expantion joint under edge of table.1 1/4 in deep x 1/4 wide with a foam filler strip close to the top and a caulked sealer on top.Can i clean crack out run seperate 12 guage wires (220 & 120 volt) through ,re foam & caulk to run pwr to saw & router without wires hanging down or running across floor ? Thanks in advance. Scott
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Replies
scary!
NO.
The wire needs to be in conduit. The expansion joint will expand and contract and rub the insulation off and maybe kill you. Probably not but anytime I think of electrical problems charcoaled bodies spring into my mind. If you have a lot of energy jack hammer a trough across and run the wire in pvc if you don't, learn live with an extension chord.
Who Dares Wins.
Don't need a jackhammer, use a diamond blade or masonry blade and cut a trench. Bigger issue is thrying to get it in the right place so it matches the shop layout for the next dozen years...or six months which ever comes first.
Do it right, or do it twice.
Yea I should have said that. I had cutting the trench with a saw and popping it up with an electric jack hammer in my mind. My fingers just didn't get the memo.Who Dares Wins.
"My fingers just didn't get the memo."
I hope your not using the postal service for those messages.
Rich Beckman
Another day, another tool.
Thanks, I guess I'll have to go rent a concrete saw.I was hopeing to get off easy. SGB
Can you drop the service down from above? Like on some retractable reel?
Like Wet Head indicates, it would be less scary (and dangerous) should you spill your beer.