IS 12048 : 1987 Helically formed fittings for overhead lines upto 33 kV

1 Scope

1.1 This standard specifies the requirements and tests forhelically formed fittings for use on overhead power lines up to 33kV.

2 References

IS 2 :1960Rules for rounding off numerical values

IS 398 : Part 2 :1979 Specification for aluminiumconductors foroverhead transmission purposes:Part 2 Aluminium conductors, galvanized steelreinforced

IS 398 : Part 4 :1979 Specification for aluminiumconductors foroverhead transmission purposes: Part 4 Aluminium alloy stranded conductors(aluminium-magnesium-silicon type)

IS 617 :1975Specification for aluminium and aluminiumalloy ingots and casting for generalengineering purposes

IS 1364 :1967Specification for precision and semi-precisionhaxagon bolts, screws, nuts and lock nuts(diameter range 6 to 39 mm)

IS 2004 :1978Specification for carbon steel forgings forgeneral engineering purposes

IS 2004 :1978Specification for carbon steel forgings forgeneral engineering purposes

IS 2121 : Part 1 :1981 Specification for conductors andearth wires,accessories for overhead power lines:Part 1 Armour rods, binding wires and tapes

IS 2486 : Part 1 :1971 Specification for insulator fittingsforoverhead power lines with a nominal voltagesgreater than 1000 V:Part 1 General requirements and tests

IS 2486 : Part 2 :1974 Specification for insulator fittingsforoverhead power lines with a nominal voltages greater than 1000 V:Part 2 Dimensional requirements

IS 2486 : Part 3 :1974 Specification for insulator fittingsforoverhead power lines with a nominal voltagesgreater than 1000 V:Part 3 Locking devices

IS 2633 :1972Methods of testing uniformity of coating onzinc coated articles

IS 3835 :1966Specification for aluminized steel core wirefor aluminium conductors (ACSR)

IS 4905 :1968Methods for random sampling

IS 5561 :1970Specification for electric power connectors

IS 6745 :1972Methods of determination of weight of zinccoating on zinc coated iron and steel articles