... conduit and for fixed, protected installation of Wiring Burglar Alarm, Public Address Systems,Intercoms, Telephone Stations, Speakers, Instrumentation, Control and other Low ... per core 5. StandardsBS4737: Insulated cables, PVC insulated for intruder alarm systemsNEC 725/800: CM / CL2, 6.Specifications Model No.ConductorInsualtionJacketCores ...