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Cable tray passing through Battery Room

Cable tray passing through Battery Room

Cable tray passing through Battery Room

(OP)
What is the type of cable tray to be used, when it is passing through Battery Room? Does NEC specify the type of cable tray/conduit to be used in battery room?

RE: Cable tray passing through Battery Room

In my opinion, a cable tray made of material as per art.480 and installed as per art. 392 is permitted to be installed in a battery room. However, the cable running in cable tray has to be permitted also to be installed in battery room. For instance, according to Art.334.12:
(A)Types NM, NMC, and NMS. Types NM, NMC, and NMS cables shall not be permitted as follows:
(7) In storage battery rooms

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