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#89072 08/27/04 10:26 PM
Joined: Dec 2002
Posts: 13
M
Member
I am wiring an office that has a suspended ceiling that serves as a return air space above it. Code book says I can use ent above suspended ceilings if it is fire rated at 15 minutes. It doesn't say I can't use it either in this situation. In the Nec it does say that ent is flame retardent. Can I use it? What is your opinion.

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#89073 08/27/04 10:27 PM
Joined: Dec 2003
Posts: 886
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No.

-Hal

#89074 08/28/04 09:16 AM
Joined: Jun 2004
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T
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300-21(c)1.no ENT

#89075 08/28/04 09:19 PM
Joined: Dec 2002
Posts: 13
M
Member
Thanks guys, I missed that in the code book.


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