Applications: Wiring Fire Alarm, Security Burglar Alarm, Public Address Systems, Intercoms, Telephone Stations, Communications, Instrumentation, Access Control, Nurse Call, Security and Other Low Voltage Circuits that are Power-Limited Applications. Pure Copper Conductors: Our cable is built with solid pure copper conductors, providing maximum conductivity and reliability to ensure that your fire alarm systems run smoothly. 300V (CL3) Power-Limited Circuit Cable: Our cable is rated at 300 volts and classified as a Class-3 (CL3) Power-Limited Circuit Cable, capable of carrying a surge of up to 300 watts. This makes it a reliable choice for even the most demanding applications. CMR (Riser-Rated):Our cable is designed with your safety in mind. It features a CMR/CL3R/FPLR (Riser-Rated) flame-retardant rating that provides peace of mind in case of fire. Installation-Friendly Design: With its round, slick jacket and smooth edges, our cable is easy to pull through rough corners and edges. The jacket also features a rip cord for effortless removal during installation.