I just found something interesting about GFCIs: If you use a GFCI, you don't need a ground wire for the outlets downstream and it's legal to use a 3-prong plug as long as its properly marked. I understand how, with or without a ground the GFCI can provide safety on the load of the line. But I do not understand how it can substitute for a ground.
Does anyone have a simple explanation for this?
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Posted by: Ron Johnson <l0c0l0b0@hotmail.com>
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