MULTI-CONDUCTOR TC SHIELDED Applications: The fire alarm cable is an electrical wire that is used in processing equipment, audio and sound systems and low-voltage controls. The maximum operating temperature for this electrical cable is 60°C, and its power limit is 300V. Also Known As: Fire alarm wire, fire alarm cable, audio wire, audio cable, wiring fire alarm system. Standards: CM/CL2 (UL) OR AWM STYLE 2092 NEC Article 725, 800 & 310 UL-1581 Vertical Tray Flame Test Construction Conductors: This fire alarm cable conductor is made of tinned copper. Copper is used for this application because of its amazing electrical properties and flexibility. Insulation: The fire alarm wire has polyethylene insulation. It can withstand a wide range of temperatures, is resistant to chemicals and water and is easy to cut. Jacket: The audio wiring has a PVC jacket with a rip cord. It is resistant to extreme temperatures, chemicals and UV light deformations. It is also water-tight and easy to cut. Shield: This cable has a mylar-backed aluminum tape shield with 100% coverage.