Revised Standard from Last Update.

NATIONAL FOREWORD

This Indian Standard (Part 30) (First Revision) which is identical with IEC 60050-601 : 1985 'International electrotechnical vocabulary (IEV) - Part 601: Generation, transmission and distribution of electricity - General' issued by the International Electrotechnical Commission (IEC) was adopted by the Bureau of Indian Standards on the recommendation of the Basic Electrotechnical Standard and Power Quality Sectional Committee and approval of the Electrotechnical Division Council.

This standard was first published as IS 1885 (Part 30) : 1971 ‘Electrotechnical vocabulary: Part 30 Overhead transmission and distribution of electrical energy’ based on IEC 60050-25 : 1965. IEC 60050- 25 : 1965 was later withdrawn and IEC 60050-601:1985 was published to cover the requirement of electrotechnical vocabulary on overhead transmission and distribution of electrical energy.