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sub-panel, main panel grounding

Posted by jeff0345 (My Page) on
Sat, Nov 6, 10 at 16:45


Concerning installing a sub-panel, I just need one thing clarified...I realize and understand the neutral must be isolated from the ground in the sub-panel, and I have done that.
However, in the main panel the neutral and gnd. are on the same buss bar.
So my question is, should I attach the ground from the sub-panel to the neutral/gnd buss bar in the main panel, or attach it to the main's case?
Thanks


Follow-Up Postings:

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RE: sub-panel, main panel grounding

You can attach both to the bar.


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RE: sub-panel, main panel grounding

this helps me, too because my panel is the same way, and i have GE powermark CRAP!


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RE: sub-panel, main panel grounding

A main panel is the ONE place in most residential installations the neutral and grounding conductor are bonded together.

Every other place in the house should heave them separated.

The fed to a sub-panel will have two connections to the grounding/neutral bar in a main feeding it.


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RE: sub-panel, main panel grounding

i do not get the seperation between n/g when they are bonded in the main panel, anyway. the code writers are idiots.


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RE: sub-panel, main panel grounding

"i do not get the seperation between n/g when they are bonded in the main panel, anyway. the code writers are idiots."

I find is extremely humorous that you call the code writers "idiots" when you don't even understand basic electrical theory. Because you don't understand why neutrals and grounds are separate in sub panels, the code writers are idiots? You don't even own a copy of the NEC to even look at the codes, yet you're calling code writers idiots.
If anyone is the idiot here I bluntly say it's you, smithy. Your posts are a joke. You give blatantly wrong information and advice, and you act like you're some electrical God.

Stop posting before you get someone hurt.


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