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Joined: Oct 2003
Posts: 259
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How do you guys feel about installing a sub panel in the attic as opposed to the basement? It's for the 2nd floor addition and it's in a full walk up attic.
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Joined: Feb 2003
Posts: 939
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if you put the sub panel in attic space i really don't think it is a very wise idea at all because the tempture changes and humity involed in there and what more if the repair person do come in the house to find the subfeed some will not able to located that in attic ..
the other point the attic during summer time can get very hot in there and cause the breaker to kick out early than it should be and the tempeture in attic can go much as 140 degress which it can make the breaker kick out early pretty easy.
the other thing is in the attic is dust from insluation i am sure about this but some kind of insluation can be dangerous and if dust built up on the breaker it can prevent from tripping at all.
in my option i rather stay away from attic space for subfeed much as you can for few reasons as i say above there and the other part is if the power for sub feed go dead how the heck you will find it if you tie the attic light up there with subfeed circuit .
i am sure few other sparkys will say the same answer as i saying in here .
use the common sense to put the subfeed box
merci, marc
Pas de problme,il marche n'est-ce pas?"(No problem, it works doesn't it?)
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Joined: Jun 2003
Posts: 1,143
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I'm with Marc on this one. Putting the sub panel in the attic means having to search for it if you're the spark who get called in later.
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Joined: Aug 2003
Posts: 64
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Don't forget about 110.26(E)
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Joined: Jul 2003
Posts: 26
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eprice,
110.26(e) allows an exception for "<i>... panelboards, in existing dwelling units, that do not exceed 200 amps.</i>"
Unless Joey D is planning on one huge subpanel, he should be able to put the sub in the attic - even if the attic ceiling were less than 6 1/2' in height (which it doesn't sound like is the case).
Rob
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Joined: Oct 2003
Posts: 259
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I know it's legal to do it. I was just asking preference. This would be the 1st time I did it and it was mentioned to me by the home owner. Maybe another sparky bid it that way.
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Joined: Feb 2002
Posts: 183
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I would be concerned about the ambient temps in the summer. As for people not knowing to look for it there, you could always label the feed breaker in the main panel "Subpanel for 2nd floor, located in attic", though of course most of them just get labeled "subpanel" :-)
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Posts: 47
Joined: March 2008
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