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#97833 - 04/04/06 12:43 PM Floor box w/ PVC or Galv?
rknikko Offline
Member

Registered: 02/02/04
Posts: 41
Loc: NY
In NYC, currently with NEC 2005, can we use PVC floor box on a commercial office bldg? PVC link - (http://www.lewelectric.com/cfm/pvc.cfm) Or must be use Cast iron (water-tight) commercial grade? Commercial grade link -(http://www.lewelectric.com/cfm/commercial.cfm) Please help. Thank you.

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#97834 - 04/04/06 11:46 PM Re: Floor box w/ PVC or Galv?
e57 Offline
Member

Registered: 05/27/03
Posts: 2837
Loc: S.F.,CA USA
All depends on what the city will accept.... I imagine it will be the same for PVC conduit?
Pretty easy to look up on google....
http://www.nyc.gov/html/dob/downloads/pdf/law04047.pdf

Thier site is really cool actualy! http://www.nyc.gov/html/dob/html/model/nec.shtml
Although it may not be totaly up to date if you say they are on the 2005?, I would suspect that thier ammendments will limit use in the same way.

And / or the type of occupancy, like theaters...
Anyway, it looks clear that RNC isnt allowed except under/behind a 1 Hour barrier to any exposure. I guess it would be the same for a box.
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#97835 - 04/04/06 11:55 PM Re: Floor box w/ PVC or Galv?
e57 Offline
Member

Registered: 05/27/03
Posts: 2837
Loc: S.F.,CA USA
Oh, if you need to use metal conduit, that will also trigger 314.3, and would only be allowed if it falls under the exceptions.... if metal conduit is used with PVC boxes they need to ground through...



[This message has been edited by e57 (edited 04-05-2006).]
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