IEC 60216-1:1990 Guide for the determination of thermal endurance properties of electrical insulating materials; part 1: general guidelines for ageing procedures and evaluation of test results
2013IEC 60216-1:2013 Electrical insulating materials - Thermal endurance properties - Part 1: Ageing procedures and evaluation of test results
2001IEC 60216-1:2001 Electrical insulating materials - Properties of thermal endurance - Part 1: Ageing procedures and evaluation of test results
1990IEC 60216-1:1990 Guide for the determination of thermal endurance properties of electrical insulating materials; part 1: general guidelines for ageing procedures and evaluation of test results