and more importantly
Built for Outdoor & Direct Burial Use - Designed for harsh environments
Ascending and descending E-Z footage markings
Pure Copper Conductors: Our thermostat cable is built with solid pure copper conductors
18/4 Fire Alarm Cable, Solid Copper, Red, Unshielded, FPLP, Indoor/Outdoor Size:50FT and more importantlyAbout this item Multiple Applications: Fire Protective Signaling Circuits, Smoke Detectors, Strobes Sirens, Pull Stations, Voice Communications, Burglar Alarms, Audio, Control, Initiating & Notification Circuits, Microprocessor Addressable Controlled Systems. Pure Copper Conductors: Our fire alarm wire is built with solid bare copper conductors, providing maximum conductivity and reliability to ensure that your systems run smoothly. FPLP (Plenum