额定电压450/750V及以下交联聚烯烃绝缘电线和电缆 第4部分:耐热150℃交联聚烯烃绝缘电线和电缆
Cross-linked polyolefin insulated wires and cables with rated voltages up to and including 450/750V Part4:Cross-linked polyolefin insulated and cables for maximum conductor temperature of 125℃ in normal operateion