额定电压1kV（Um=1.2kV）到35kV（Um=40.5kV）挤包绝缘电力电缆及附件 第4部分:额定电压6kV（Um=7.2kV）到35kV（Um=40.5kV）电力电缆附件试验要求

Power cables with extruded insulation and their accessories for rated voltages from l kV (Um=1.2 kV) up to 35 kV(Um=40.5 kV) —Part 4:Test requirements on accessories for cables with rated voltages from 6 kV(Um=7.2 kV) up to 35 kV(Um=40.5 kV)