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damp vs wet
#94534
07/31/05 11:06 AM
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Joined: Mar 2005
Posts: 236
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what constitutes a canopie i have a 30 inch overhang on a house i am working on and want to use regular wp covers not the bubble in use cover. would most ahj accept this as damp location?
h20
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Re: damp vs wet
#94535
07/31/05 11:31 AM
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Joined: Jul 2002
Posts: 717
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They don't where I'm at. But we get lots of sideways rain from strong tradewinds.
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Re: damp vs wet
#94536
07/31/05 12:21 PM
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Joined: Jan 2004
Posts: 1,507
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That's an easy one- If it rains- does the rain hit the box? If it's in an enviorment where water is in use- Does it hit the box? Wet location. End of mystery.
George Little
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Re: damp vs wet
#94537
07/31/05 12:26 PM
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Joined: May 2005
Posts: 706
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Article 406.8 covers the question. Per usual it's up to the AHJ to define. In this area an in-use cover is never installed on new construction exterior outlets, and is required on all pool-related outlets.
The enforcement of 406.8 here falls more into the area of 406.8(B)(2)....depends on the intended use.
Dave
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Re: damp vs wet
#94538
07/31/05 12:55 PM
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Joined: Feb 2005
Posts: 219
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When you water the grass, shrubs or hose off the patio can it get wet?
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Re: damp vs wet
#94539
07/31/05 05:02 PM
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Joined: Jan 2005
Posts: 5,316
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The "rule of thumb" I was taught was to considered the area under the eave, within a 45-degree area, to be "damp." So, in your example, a 30" overhange woud create a "damp" zone for the top 30" of the wall.
Unfortunately, I have absolutely no "official" substantiation for this rule....yet!
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Re: damp vs wet
#94540
08/01/05 10:22 PM
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Joined: Sep 2004
Posts: 167
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Larry LeVoir Inspector City of Irvine, CA
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Re: damp vs wet
#94541
08/02/05 08:07 PM
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Joined: Aug 2005
Posts: 49
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Man can't remember exact code. But I think we follow the rule 3 feet is considered sufficient overhang to not require a bubble cover.
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Re: damp vs wet
#94542
08/03/05 05:55 AM
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Joined: Jun 2005
Posts: 12
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What about during a hurricane. Last year after hurricane jeanne I get a service call that gfci circuit tripping. The circuit feed outdoor and garage recp. Opening box after box and still no answer. I get to the last one that is chaulk, painted and untouched for some time. I razor knife the chaulking and paint to pry the cover off. About a quarter cup of water poured out of the box. Before I cut the cover off I did look for possible hole for water to get in but nothing but a little pin hole on side of cover in the chaulk. That meant the rain was diving sideways so hard it penetrated a hole the size of a ball point pen. The problem was cleared when the water was removed. Under normal conditions the water would never have gotten in the box. But, now days in florida hurricanes are getting too normal. Even with a good size over hang some damp areas become wet. In the 20 years in the field and 6 years as an EC, almost always the problem with water and outdoor outlets in not the opening to the outlets, but the seal behind at the wall or box. In-use covers just look good. Tom
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Re: damp vs wet
#94543
08/03/05 11:34 AM
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Joined: Jul 2004
Posts: 9,555
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"In-use covers just look good. Tom"
I agree. I use the snap covers on the receptacles around my house, unless they will have unattended cords in them (only a few). I know it is technically a violation but driven rain is a problem on those bubble covers.
Greg Fretwell
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