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#77891 - 07/19/01 07:43 AM Article 645
Joe Tedesco Offline
Member

Registered: 10/07/00
Posts: 3325
Loc: Boston, Massachusetts USA
Why is it OK to have liquidtight flex and nonmetallic conduit (both having a PVC jacket ) under the raised floor, but not PVC with
a ground conductor in it?

Joe Lusso, Electrical Plant Engineer
Facilities Project Management
303.673.5248 phone
303.673.4551 fax
email: LussoJA@louisville.stortek.com
_________________________
Joe Tedesco, NEC Consultant

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#77892 - 07/19/01 08:58 AM Re: Article 645
Redsy Offline
Member

Registered: 03/28/01
Posts: 2138
Loc: Bucks County PA
Doesn't 645-5 (d) (2) permit rigid non-metallic (PVC) conduit?

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#77893 - 07/19/01 10:13 AM Re: Article 645
Joe Tedesco Offline
Member

Registered: 10/07/00
Posts: 3325
Loc: Boston, Massachusetts USA
Redsy:

Yes, and the question is really not very clear. I have invited the person who asked this question to come aboard here on theis BB and look for the help he needs. I always bring these types of question here so we can all put our thoughts into the discussion.
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#77894 - 08/05/01 09:33 AM Re: Article 645
tdhorne Offline
Member

Registered: 03/22/01
Posts: 344
Loc: Maryland, USA
 Quote:
Originally posted by Joe Tedesco:
Why is it OK to have liquidtight flex and nonmetallic conduit (both having a PVC jacket ) under the raised floor, but not PVC with
a ground conductor in it?


Most of the limitations on the use of PVC conduit inside buildings are the result of concerns about the fuel and smoke contributed under fire conditions rather than its performance as a raceway.
--
Tom
_________________________
Tom Horne

"This alternating current stuff is just a fad. It is much too dangerous for general use" Thomas Alva Edison

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