Status : Superseded, Withdrawn Published : January 1979 Replaced By : BS EN 60071-1:1996, IEC 60071-1:1993
Definitions, basic principles, standard insulation levels and general testing procedures for equipment for 3-phase a.c. systems having a highest voltage for equipment above 1 kV. Except for some definitions, applies only to phase-to-earth insulation.
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