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Joined: Mar 2004
Posts: 795
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There is a concern on an existing installation where the meter and outdoor load center are approximately 7 feet from the inside wall of an in ground pool. Looking thru 680 I see no violation, not even a requirement to include it in the equipotential bonding as it is not within 5 feet of the inside wall. Am I correct?
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Joined: Jul 2004
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I think you are right but look up. Where is the service drop?
Greg Fretwell
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Joined: Mar 2004
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I think you are right but look up. Where is the service drop? The service conductors are piped across the roof for 25 feet then there is a 90 up with a weatherhead. Adjacent to this weatherhead there is a service mast fastened to the building to support the overhead, keeping it 25' from the water. It is not pretty.
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Joined: Jul 2004
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It sounds legal tho... sometimes the law ain't pretty  Was any consideration given to raceways on a roof? (derating)
Greg Fretwell
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It sounds legal tho... sometimes the law ain't pretty Was any consideration given to raceways on a roof? (derating) I doubt it since my area just started enforcing derating for ambient last year, and this installation is at least 30 years old. This brings up something I have been wondering about, when de-rating residential service conductors would you start with the ampacities listed in table 310.15(B)(6)?
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Joined: Jul 2004
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That is why I was curious.
310.15(B)(2)(c) refers you to 310.16
I am not sure what you do with (B)(6) service feeders. I was wondering what size they ended up with.
Greg Fretwell
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Posts: 75
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