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Old 03-24-2020, 07:00 AM
Pete VanderLaan's Avatar
Pete VanderLaan Pete VanderLaan is offline
The Old Gaffer
 
Join Date: Apr 2002
Location: Chocorua New Hampshire
Posts: 22,022
Pete VanderLaan is on a distinguished road
Electricity is always drawn to the best ground. If you stand in a puddle of water with a crackerbox welder and use it, it's quite likely to nail you despite your ground cable.

True of a furnace and its wiring as well. Years back, I had a moly element droop and contact the crucible and I did not see it. I went in with a pipe and there was no current draw. The double insulated transformer was doing its job. If I'd been in water, a different story.
I di shut down and repair the problem as soon as I saw it was there.
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