... the general title Power cables with extruded insulation and their accessories for rated voltages from 1 kV (Um = 1,2 kV) up to 30 kV (Um = 36 kV): Part 1: Cables for rated voltages of 1 kV ... (Um = 3,6 kV) Power cables with extruded insulation and their accessories for rated voltages from 1 kV (Um = 1,2 kV) up to 30 kV (Um = 36 kV) – Part 1: Cables for rated voltages of 1 ... `,,``,``,`,``,``,``,`,```,,`-`-`,,`,,`,`,,` 60502-1 IEC: 2004 – 21 – 4 Voltage designations and materials 4.1 Rated voltages The rated voltages U0/U (Um) of the cables considered in this standard are 0,6/1 (1,2) kV and 1,8/3...