1)4 cores 2)Bare copper or tinned copper or CCA or CCS 3)Used for security system, internal connecting sensors, control panels ... PVC-flame proof 3> Cable cores: 2, 4, 6, 8, 12,...,50 are available 4> Shield: Al/polyester foil 5> Rip cord ... 300m/wooden spool 9> Application: used for alarm mechanisms or security systemElectrical PropertiesTemperature Rating: -20°C to 60°COperating Voltage: 300V ...