IS/IEC 60721 : Part 3 : Sec 4 : 2019 Classification of Environmental Conditions Part 3 Classification of Groups of Environmental Parameters and their Severities Section 4 Stationary use at non-weather protected locations
[ Superseding IS 13736 (Part 3/Sec 4) : 1993 ]
New Standard from Last Update.
NATIONAL FOREWORD
This Indian Standard (Part 3/Sec 4) which is identical with IEC 60721-3-4 : 2019 ‘Classification of environmental conditions - Part 3-4: Classification of groups of environmental parameters and their severities - Stationary use at non-weather protected locations’ issued by International Electro technical Commission (IEC) was adopted by the Bureau of Indian Standards on recommendation of the Environmental Testing Procedure Sectional Committee, and approval of the Electronics and Information Technology Division Council.