1.1 本规范涵盖导线尺寸为8 AWG（8.37 mm）的电线和电缆的交联聚乙烯绝缘 2. )更大。这种绝缘的基础聚合物基本上由聚乙烯组成。 1.2 这种绝缘适用于潮湿和干燥位置的电力电缆，导体温度不超过90°C，用于连续运行，130°C用于紧急过载条件，250°C用于短路条件。它被认为适用于额定电压为2001至35000V的单芯和多芯电力电缆的所有尺寸和电压分类 % 绝缘水平和额定电压为2001至25000V时，133 % 表中列出的绝缘水平 1C试验方法 D470 . 1.3 本规范涵盖的材料不耐阳光和天气，除非它们是碳黑着色的或包含为此保护设计的添加剂系统。 1.4 在许多情况下，除非在导体周围形成绝缘，否则无法测试绝缘。因此，本标准中对绝缘导线进行的测试仅用于确定绝缘的相关特性，而不是测试导线或完整电缆。 1.5 当以不同单位表示两组值时，第一组中的值被视为标准值，而括号中的值仅供参考，不被视为标准值。 1.6 本国际标准是根据世界贸易组织技术性贸易壁垒（TBT）委员会发布的《关于制定国际标准、指南和建议的原则的决定》中确立的国际公认标准化原则制定的。

1.1 This specification covers a crosslinked polyethylene insulation for electrical wires and cables for conductor sizes 8 AWG (8.37 mm 2 ) and larger. The base polymer of this insulation consists substantially of polyethylene. 1.2 This type of insulation is suitable for use on power cables in wet and dry locations at conductor temperatures not exceeding 90 °C for continuous operation, 130 °C for emergency overload conditions, and 250 °C for short-circuit conditions. It is considered suitable for all sizes and voltage classifications of single- and multiple-conductor power cables at voltage ratings of 2001 to 35 000 V phase-to-phase at the 100 % insulation level and at voltage ratings of 2001 to 25 000 V at the 133 % insulation level as listed in Table 1C of Test Methods D470 . 1.3 Materials covered by this specification are not sunlight- and weather-resistant unless they are carbon black pigmented or contain an additive system designed for this protection. 1.4 In many instances the insulation cannot be tested unless it has been formed around a conductor. Therefore, tests are done on insulated wire in this standard solely to determine the relevant property of the insulation and not to test the conductor or completed cable. 1.5 Whenever two sets of values are stated, in different units, the values in the first set are regarded as standard, while the values in parentheses are provided for information only and are not considered standard. 1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.