Security Alarm cable 1)UL,RoHS certificates 2)Professional QC 3)Competitive price, ... Address System, Intercoms, Telephone Stations, Speakers, Instrumentation, Control and other Low Voltage Circuits.Construction:Stranded Bare Copper Conductor, PVC Insulated and PVC ... , 500mTechnical Data:Temperature Range: -20°C to +70°CMax Working Voltage: 300/500V, 450/750VMax Current: 1 amp per core Security ...