high quality Alarm Cable is with bare copper conductors,ripcord filler and PVC sheath!... Usage: intruder alarm systems high quality Alarm Cable is with bare copper conductors,ripcord filler and PVC sheath!high quality Alarm CableCable Introduction: Alarm cable is specifically designed for intruder alarm systems but finds use in other low voltage applications, and is normal available in 4, 6, 8 , ...