Revised Standard from Last Update.

NATIONAL FOREWORD

This Indian Standard (Third Revision) which is identical IEC 60156 : 2018 ‘Insulating liquids - Determination of the breakdown voltage at power frequency - Test method’ issued by the International Electrotechnical Commission (IEC) was adopted by the Bureau of Indian Standards on the recommendation of the Fluids for Electrotechnical Applications Sectional Committee and approval of the Electrotechnical Division Council.

This standard was originally published in 1972. The first revision of this standard was brought out in 1992 subsequently second revision in 2017. The third revision has been undertaken to align it with the latest version of IEC 60156 : 2018.