IEC 60216-1:1974 Guide for the determination of thermal endurance properties of electrical insulating materials - Part 1: General procedures for the determination of thermal endurance properties, temperature indices and thermal endurance profiles
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
1970IEC 60216-1:1987 Guide for the determination of thermal endurance properties of electrical insulating materials - Part 1: General guidelines for ageing procedures and evaluation of test results
1970IEC 60216-1:1974 Guide for the determination of thermal endurance properties of electrical insulating materials - Part 1: General procedures for the determination of thermal endurance properties, temperature indices and thermal endurance profiles