Revised
Gives a method for determining the relative thermal endurance of electrical insulating varnishes by means of coating on glass cloth and measuring electric strength before and after heat ageing for establishing temperature indices to assist in determining suitability of electrical insulating varnishes for use in electrical systems.
WITHDRAWN
IEC 60370:1971 ED1
99.60
Withdrawal effective
13 dhj 2017
PUBLISHED
IEC 60370:2017 ED2