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Old April 30, 2010   #8
outsiders71
Tomatovillian™
 
Join Date: Apr 2008
Location: Ohio
Posts: 150
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Quote:
Originally Posted by dice View Post
In this case it apparently does not match, at least not
all of the time. There are two paths to ground at the breaker
box, through a neutral wire and through a ground wire.
A ground wire only carries current if there is a short
somewhere and the device with the short is grounded
someway, usually with a ground wire and 3-prong plug,
grounded metal conduit, whatever. (Current can also leak
to ground through a concrete floor, a cast iron or copper
pipe that connects to ground outside, etc.)
Well this metal grow rack is in the basement sitting on a concrete floor. Does this have anything to do with it?
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