IEC 60502-1 Revised
IEC 60502-1:1997/AMD1:1998
Amendment 1 - Power cables with extruded insulation and their accessories for rated voltages from 1kV (Um = 1,2 kV) up to 30 kV (Um = 36 kV) - Part 1: Cables for rated voltages of 1 kV (Um = 1,2 kV) and 3 kV (Um = 3,6 kV)
CHFÂ 10.-
A more recent version of this publication exists:
IEC 60502-1:2021 RLV