IS 10136 : 1982 Code of practice for selection of disc insulator fittings for highest system voltages of 72.5 kV and above

1 Scope

1.1 This code of practice provides guidance for selection ofdisc insulator fittings for overhead power lines with highestsystem voltages of 72.5 kV and above.

2 References

IS 2 :1960Rules for rounding off numerical values

IS 731 :1971Specification for Porcelain insulators foroverhead power lines with a nominal voltagegreater than 1000 V

IS 1885 : Part LIV :1980 Electrotechnical vocabulary:Part LIV Insulators

IS 2486 : Part I :1971 Specification for insulatorfittings foroverhead power lines with a nominal voltagegreater than 1000 V:Part I General requirements and tests

IS 2486 : Part II :1974 Specification for insulator fittingsforoverhead power lines with a nominal voltagegreater than 1000 V:Part II Dimensional requirements

IS 2486 : Part III :1974 Specification for insulator fittings foroverhead power lines with a nominal voltagegreater than 1000 V:Part III Locking devices

IS 2486 : Part IV :1981 Specification for insulator fittingsforoverhead power lines with a nominal voltage greater than1000 V:Part III Tests for locking devices

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

IS 4759 :1968Specification for hot-dip zinc coatings onstructural steel and other allied products