1. PVC Insulated and Sheathed 2. BC wire Shielded 3. BC Conductor 4. Shielded Alarm Cable, Security Protection Cable Shielded Alarm Cable, Security Protection Cable STANDARDSJB 8734-1998, Q/ILRN1-2004, GB5023-97APPLICATIONSSuitable for use in conduit and for fixed, protected installation of Wiring Burglar Alarm, Public Address Systems, Intercoms, Telephone Stations, Speakers, Instrumentation, ...