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So your saying the ceiling wires are all one color, the suspended electrical is another color? the suspended data another? plumbing is another color and so on ?
Where is this requirement coming from. I gotta see this in practice
When part of the Fire Rated Assembly
NEC 300.11 Securing and Supporting......(1) Fire-Rated Assemblies. Wiring located within the cavity of a fire-rated floor/ceiling or roof/ceiling assembly shall not be secured to, or supported by, the ceiling assembly, including the ceiling support wires. An independent means of secure support shall be provided and shall be permitted to be attached to the assembly. Where independent support wires are used, they shall be distinguishable by color, tagging, or other effective means from those that are part of the fire-rated design.....