HD 22.8 S1/ A2-1992 修改件2 额定电压450/750 V及以下的橡胶绝缘电缆.第8部分:装饰链用聚氯丁烯或相同的合成橡胶铠装电缆
AMD 2 Rubber Insulated Cables of Rated Voltages up to and Including 450/750 V - Part 8: Polychloroprene or Equivalent Synthetic Elastomer Sheathed Cables for Use as Decorative Chains