IS 7935 : 1975 Insulator fittings for overhead power lines with a nominal voltage up to and including 1000 V

UDC 621.315.65 : 621.315.1.027.4 ETD 6
Reaffirmed 2021

1 Scope

1.1 This standard covers requirements, dimensions and testmethods for insulator fittings for use on overhead power lines witha nominal voltage up to and including 1 000 V.

2 References

IS 2 :1960Rules for rounding off numerical values

IS 209 :1966 Specification for zinc

IS 1367 :1967Technical supply conditions for threadedfasteners

IS 1445 :1966Specification for porcelain insulators foroverhead power lines (below 1 000 V)

IS 1573 :1970Specification for electroplated coatings forzinc on iron and steel

IS 2004 :1970Specification for carbon steel forgings forgeneral engineering purposes

IS 2121 :1962Specification for fittings for aluminium andsteel cored aluminium conductors for overheadpower lines

IS 2486 : Part I :1971 Specification for insulator fittings foroverhead power lines with a nominal voltagegreater than 1 000 V:Part I General requirements and tests

IS 2629 :1966Recommended practice for hot-dip galvanizingof iron and steel

IS 2633 :1964Methods of testing weight, thickness anduniformity of coating on hot-dipped galvanizedarticles