IEC 60840 Ed. 5.1 en:2023
IEC 60840 Ed. 5.1 en:2023
Power cables with extruded insulation and their accessories for rated voltages above 30 kV (Um = 36 kV) up to 150 kV (Um = 170 kV) – Test methods and requirementsstandard by International Electrotechnical Commission , 06/01/2023