Power cables with cross-linked polyethylene insulation and their accessories for rated voltage of 66 kV(Um=72.5 kV)and 110 kV(Um=126 kV)—Part 1: Test methods and requirements
Power cables with cross-linked polyethylene insulation and their accessories for rated voltage of 66 kV(Um=72.5 kV) and 110 kV (Um=126 kV)—Part 2: Power cables
Power cables with cross-linked polyethylene insulation and their accessories for rated voltage of 220 kV(Um=252 kV)—Part 1: Test methods and requirements