JIS C 4003
10th Edition, December 20, 2010
Electrical insulation - Thermal evaluation and designation
Includes all amendments and changes through Reaffirmation Notice , October 20, 2015
Active, Most Current
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Description / Abstract:
This Standard distinguishes between the thermal class for
electrical insulation system (EIS) and the thermal class for
electrical insulating material (ElM), and establishes the
procedures for designating the criteria for the thermal evaluation
and also the thermal class for both the electrical insulating
material and the electrical insulation system.