IS 5831 : 1984 PVC insulation and sheath of electric cables

1 Scope

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 aregiven below:

Type A General purpose insulation for maximum rated conductortemperature 70ºC intended for cables with ratedvoltages U_o/U up to and including 3.3/3.3 kV.

Type B General purpose insulation for maximum rated conductortemperature 70ºC intended for cables with ratedvoltages U_o/U above 3.3/3.3 kV.

Type C Heat resisting insulation for maximum rated conductortemperature 85ºC intended for cables with ratedvoltages up to and including 1 100 volts.

Type ST1 General purpose sheath intended for use in cablesoperating at a maximum rated conductor temperature 70ºC.

Type ST2 Heat resisting sheath intended for use in cablesoperating at a maximum rated conductor temperature 90ºC.

2 References

IS 2 : 1960Rules for rounding off numerical values

IS 1885 : Part 32 :1971 Electrotechnical vocabulary : Part 32Cables,conductors and accessories for electric supply