... conduit and for fixed, protected installation of Wiring Burglar Alarm, Public Address Systems, Intercoms, Telephone Stations, Speakers, Instrumentation, Control and other Low ... per core5,Standards BS4737: Insulated cables, PVC insulated for intruder alarm systems NEC 725/800: CM / CL2,6, Specifications Model No.ConductorInsualtionJacketCores ...