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Non-metallics in air spaces #86287 09/29/03 10:43 AM
Joined: Mar 2001
Posts: 2,056
R
Redsy Offline OP
Member
Where can I find rules on the use of non-metallic cables & raceways above drop ceilings that are used for air returns?
I thought there were prohibitions, but I can't find anything in the articles on-
LFNC, LFMC, or RNC.

Thanks!

2017 / 2014 NEC & Related Books and Study Guides
Re: Non-metallics in air spaces #86288 09/29/03 10:57 AM
Joined: Aug 2003
Posts: 1,374
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Ryan_J Offline
Moderator
I don't a have book in front of me, but I think it is in article 300.22 and also in the IMC in section 605.

I'm sorry if I'm wrong on that. It might be 300.12.

[This message has been edited by Ryan_J (edited 09-29-2003).]


Ryan Jackson,
Salt Lake City
Re: Non-metallics in air spaces #86289 09/29/03 12:27 PM
Joined: Nov 2000
Posts: 2,148
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resqcapt19 Offline
Member
Redsy,
See 300.22(C). In general you cannot use nonmetallic raceways, however if this is a Chapter 8 application there are some nonmetallic raceways that are permitted. See 800.51(J) for an example. One brand of this stuff looks just like electrical nonmetallic tubing except that it is orange.
Don


Don(resqcapt19)
Re: Non-metallics in air spaces #86290 09/29/03 01:06 PM
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Posts: 2,056
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Redsy Offline OP
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Ryan, Don,

Thanks for the help!


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