Plenum Raceways & Cables

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erickench

Senior Member
I'm preparing a new proposal for the 2014 NEC. It involves revising the text for NEC 725.154(A).
I am proposing that non-plenum rated cables be permitted to be installed in plenum signaling raceways. I would like the opinion of everybody on this forum before I send it in by next Fridays deadline. My reasoning is that a plenum rated cable and plenum raceway both have low-smoke producing characteristics and therefore there is no danger to persons if a non-plenum cable is inside a plenum raceway.
 

jumper

Senior Member
This might be one place to start.

ANSI/NFPA
262, ‘‘Standard Method of Test for Flame Travel and Smoke of Wires and
Cables for Use in Air-Handling Spaces.’’
 
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