Working Group Details
P1820 WG_ICING - DEI-Performance of Insulators in Freezing Conditions
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P1820 - Guide on the Selection of Transmission and Distribution Insulators with Respect to Cold Weather Conditions
The guide specifies procedures for selecting external insulation that is likely to be subjected to an outdoor environment that includes combinations of contamination, ice, snow, or cold fog. The selection methods are applicable to insulators, surge arresters, bushings, live line tools and other high voltage ac and dc apparatus with a rated voltage above 1 kV.