Cables with a higher resistance level may be substituted for those with
a lower fire resistance level.
Non-fire rated outside plant telephone cables may not run outside of a
rigid metal conduit more than 50 feet from the point of entrance into a
building.
Cables rated CMG or CM may be used in runs penetrating one floor. (NEC
800-53)
Type
Decription
CM
Communications Wires and Cables
CL2 and CL3
Class2 and Class 3 Remote-Control, Signaling, and Power-Limited Cables
FPL
Power-Limited Fire Alarm Cables
MP
Multipurpose Cables
PLTC
Power-Limited Tray Cables
The information provided in the resources section is intended for reference only.
There is no guarantee, written or implied, regarding the accuracy of the
information provided.