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Old 02-22-2008, 05:03 AM
Jerome W. Young Jerome W. Young is offline
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Location: Vero Beach Florida
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sub panel bonded with neutrals
this is a sub-panel and has the copper bond attaching the cabinet to the neutral bar. Seems to be the same problem as with grounds and neutrals? The grounding i believe is in the raceway/conduit. no ground wires were present in the cabinet.
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Old 02-22-2008, 05:31 AM
Nick Ostrowski Nick Ostrowski is online now
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Re: sub panel bonded with neutrals
No pic Jerome.
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Old 02-22-2008, 05:47 AM
Jerome W. Young Jerome W. Young is offline
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Re: sub panel bonded with neutrals
sorry I though i had one but i didnt. The copper jumper was just connected from the neutral bar to the sub panel cabinet. metal raceways were used to protect the circuits. i didnt know if that changed the rules on bonding grounds and neutrals etc.
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Old 02-22-2008, 05:59 AM
John Arnold John Arnold is offline
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Re: sub panel bonded with neutrals
The metal raceways themselves should be bonded to ground. With the neutral and grounds bonded in that non-service equipment panel, now you have neutral current on the raceways. Neutrals and grounds should only be bonded at the service equipment. Jerry Peck may have some comment regarding submarines...
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Old 02-22-2008, 06:25 AM
Jerry Peck Jerry Peck is online now
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Re: sub panel bonded with neutrals
Quote:
Originally Posted by John Arnold View Post
Jerry Peck may have some comment regarding submarines...
I was going to ask Jerome if he had a photo of the sub that panel was in, but he said he had no photo. I keep hoping to see a real "sub" panel.

Quote:
Neutrals and grounds should only be bonded at the service equipment.
Correct. Meaning that "bonding jumper" should not go from the neutral terminal bar to the enclosure *at any panel which is not service equipment*.
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Old 02-22-2008, 06:37 AM
Jerome W. Young Jerome W. Young is offline
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Re: sub panel bonded with neutrals
, that's damn funny

Thanks!
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