额定电压U Rated voltage | 10kV | |
普通绝缘结构电缆 common insulated cables | 轻型薄绝缘结构电缆 Light type thin insulated cables | |
试验电压 Test voltage | 18kV/1min 不击穿 non-breakdown | 12kV/1min 不击穿 non-breakdown |