Non-metallics in air spaces - 09/29/03 03:43 PM
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!
I thought there were prohibitions, but I can't find anything in the articles on-
LFNC, LFMC, or RNC.
Thanks!