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Type CMG in commercial applications

Question asked by cress.wakefield on Jan 9, 2018

It's my understanding that Type CMG cable meets the requirements of NEC Articles 725/800 and that it can be installed in the open (without raceway or tray) in concealed ceilings and walls of commercial spaces. The wiring is part of a 24VDC system that will be contained within a room (does not rise between floors) and the ceiling is not a plenum (is not used for environmental air return). Can the Type CMG be installed in the open like CL2/CL3 wiring per 725.154?

Thanks.

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