Cables of rated voltages up to and including 450/750 V and having thermoplastic insulation - Part 15: Single core cables, insulated with halogen-free thermoplastic compound, for fixed wiring; German version HD 21.15 S1:2006
额定电压450/750V及以下热塑性绝缘电缆.第15部分:固定布线用无卤热塑性化合物绝缘单芯电缆;德语版HD 21.15 S1:2006