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#97833 04/04/06 03:43 PM
Joined: Feb 2004
Posts: 41
R
rknikko Offline OP
Member
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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Joined: May 2003
Posts: 2,876
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e57 Offline
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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.


Mark Heller
"Well - I oughta....." -Jackie Gleason
Joined: May 2003
Posts: 2,876
E
e57 Offline
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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).]


Mark Heller
"Well - I oughta....." -Jackie Gleason

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