标准号:IS 5831-1984
发布日期:1984/9/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:1.1 This standard specifies the physical and electrical requirements for PVC insulation and sheath of electric cables.1.2 The types of PVC compounds covered by this standard are given below:Type A General purpose insulation for maximum rated conductor temperature 70°C intended for cables with rated voltages U0/U up to and including 3·3/3·3 kV.Type B General purpose insulation for maximum rated conductor temperature 70°C intended for cables with rated voltages U0/U above 3·3/3·3 kV.Type C Heat resisting insulation for maximum rated conductor temperature 85°C intended for cables with rated voltages up to and including 1 100 volts.Type ST1 General purpose sheath intended for use in cables operating at a maximum rated conductor temperature 70°C.Type ST2 Heat resisting sheath intended for use in cables operating at a maximum rated conductor temperature 90°C.