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#173953 - 01/23/08 12:17 PM GEC size at second building?
gfretwell Offline


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Registered: 07/20/04
Posts: 9058
Loc: Estero,Fl,usa
If you are installing a GEC at a second building on a service do you still size to 250.66 on the service conductors or do you base it on the feeder?
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#173954 - 01/23/08 01:00 PM Re: GEC size at second building? [Re: gfretwell]
iwire Offline
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Registered: 01/05/03
Posts: 4343
Loc: North Attleboro, MA USA
The size of the feeder to the building in question.

Check out 250.32(E) 2005
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Bob Badger
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Massachusetts

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#173964 - 01/23/08 08:39 PM Re: GEC size at second building? [Re: iwire]
gfretwell Offline


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Registered: 07/20/04
Posts: 9058
Loc: Estero,Fl,usa
OK I was just concerned about what a "supply conductor" really meant. I assumed it was the feeder but I wanted to hear it ... as a sanity check. Thanks
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#173967 - 01/24/08 01:44 AM Re: GEC size at second building? [Re: gfretwell]
iwire Offline
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Registered: 01/05/03
Posts: 4343
Loc: North Attleboro, MA USA
I agree it could be clearer.......
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