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Do these water lines violate the NEC? #91687
01/29/05 06:43 PM
01/29/05 06:43 PM
Joe Tedesco  Offline OP
Member
Joined: Oct 2000
Posts: 2,749
Boston, Massachusetts USA
Do these water lines violate the NEC?

[Linked Image]


Joe Tedesco, NEC Consultant
2017 / 2014 NEC & Related Books and Study Guides
Re: Do these water lines violate the NEC? #91688
01/29/05 07:12 PM
01/29/05 07:12 PM
renosteinke  Offline
Cat Servant
Member
Joined: Jan 2005
Posts: 5,316
Blue Collar Country
Not directly above panel- I say no.

Working space extends to ceiling. That's not so easy to call. I would consider the "ceiling" to be the bottom flange of the I-joists. Even so, the copper lines attached directly to the flanges I would consider at worst a 'de minimus' (too small to matter) violation.
The drain line is another matter. On balance, I'd let it slide as well. The plumber has little flexibility as to where the drain must run, and there is plenty of room to open the panel. I say this assuming that the vertical part of the drain does not also intrude on working space from the side!

Re: Do these water lines violate the NEC? #91689
01/29/05 08:33 PM
01/29/05 08:33 PM
G
George Little  Offline
Member
Joined: Jan 2004
Posts: 1,489
Michigan USA
No violation of 110.26(F)(1) at least from the appearance in the elevation shown in the picture.
The question does not ask if the drain line is in violation, only the water lines. We would need another elevation and some dimensions to determine if the drain line violated the working space.


George Little
Re: Do these water lines violate the NEC? #91690
01/30/05 01:46 AM
01/30/05 01:46 AM
G
gfretwell  Offline

Member
Joined: Jul 2004
Posts: 9,165
Estero,Fl,usa


Greg Fretwell
Re: Do these water lines violate the NEC? #91691
01/30/05 03:00 AM
01/30/05 03:00 AM
electure  Offline

Member
Joined: Dec 2000
Posts: 4,263
Fullerton, CA USA
I think the plumbing's OK, but the cable work stinks [Linked Image]

Re: Do these water lines violate the NEC? #91692
01/30/05 12:31 PM
01/30/05 12:31 PM
D
dannynova  Offline
Member
Joined: Dec 2003
Posts: 18
new york
i think there is supposed to be up to a 1/4" inch space between the panel and the concrete wall. thats why we use kindorf or plywood. if true anyone know what nec section this would be.

Re: Do these water lines violate the NEC? #91693
01/30/05 01:36 PM
01/30/05 01:36 PM
G
George Little  Offline
Member
Joined: Jan 2004
Posts: 1,489
Michigan USA
dannynova- The .25" reference you are looking for is in the NEC at 300.6(C) but I'm hoping it don't apply because if it does, the builder has a problem [Linked Image]
The raised mounting holes on the back of the panels are designed to allow air circulation and I don't know how successful they really are. Sometimes the installers use a power pin setter and they don't get the advantage of these .25" standoffs.


George Little
Re: Do these water lines violate the NEC? #91694
01/30/05 04:06 PM
01/30/05 04:06 PM
Joe Tedesco  Offline OP
Member
Joined: Oct 2000
Posts: 2,749
Boston, Massachusetts USA
I. Installation

312.2 Damp, Wet, or Hazardous (Classified) Locations.

(A) Damp and Wet Locations. In damp or wet locations, surface-type enclosures within the scope of this article shall be placed or equipped so as to prevent moisture or water from entering and accumulating within the cabinet or cutout box, and shall be mounted so there is at least 6 mm (ΒΌ in.) airspace between the enclosure and the wall or other supporting surface. Enclosures installed in wet locations shall be weatherproof.
Exception: Nonmetallic enclosures shall be permitted to be installed without the airspace on a concrete, masonry, tile, or similar surface.

FPN: For protection against corrosion, see 300.6.


Joe Tedesco, NEC Consultant
Re: Do these water lines violate the NEC? #91695
01/30/05 10:25 PM
01/30/05 10:25 PM
H
HLCbuild  Offline
Member
Joined: Dec 2004
Posts: 209
Herndon,Va USA
Joe,

Are you saying that this installation is in a damp, wet, or classified location...or is this just to clarify the 1/4" space required if it were in one of these locations?

Re: Do these water lines violate the NEC? #91696
01/30/05 11:28 PM
01/30/05 11:28 PM
G
George Little  Offline
Member
Joined: Jan 2004
Posts: 1,489
Michigan USA
If the basement of a home is a damp or wet location then the Builder has a problem not the electrician. [Linked Image]


George Little
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