Fire cables that utilize the buildings riser systems (pass floor to floor) are classified as riser rated cables. The cables are classified as FPLR. Meet NEC Articles 800 and 725. Some cables are designed to comply with NEC Article 760.52 for power load side applications. UL/ETL/FPL listings. Includes wire distinguisher systems, Corra/Clad MC cables for healthcare facilities. Fire protective signaling circuits. Also for smoke detectors, voice communications, audio control and initiating circuits.