Communications Cables and Raceways (Sec. 90.3) Coaxial Cable (Sec. 90.3) Fire Alarm Circuits (Sec. 760.3) Optical Fiber Cables and Raceways (Sec. 770.3) As outlined in Sec. 300.5(B), the interior of ...

(A) Secured in Place. Raceways, cable assemblies, and enclosures must be securely fastened in place. (B) Wiring Systems Installed Above Suspended Ceilings. Ceiling-support wires or the ceiling grid ...