... System, Intercoms, Telephone Stations, Speakers, Instrumentation, Control and other Low Voltage Circuits.Construction:Stranded Bare Copper Conductor, PVC Insulated and PVC ... , 500FT, 200m, 1000FT, 500mTechnical Data:Temperature Range: -20°C to +70°CMax Working Voltage: 300/500V, 450/750VMax Current: 1 amp per ...