1.1 这些测试方法涵盖了电线电缆交联绝缘和护套的测试程序。要确定在特定绝缘或护套上进行的测试，请参阅该类型的产品规范。这些测试方法不适用于被称为软线的产品类别。 1.2 在许多情况下，除非在导体或电缆周围形成绝缘层或护套，否则无法对其进行测试。因此，在这些测试方法中，对绝缘或护套电线或电缆进行测试的目的仅是确定绝缘或护套的相关特性，而不是测试导体或完整电缆。 1.3 这些试验方法见以下章节: 试验方法 截面图 交直流耐压试验 22 到 29 电容和损耗因数测试 38 到 44 冷弯 124 短试样的冷弯、长时间电压试验 51 到 57 短试样的双交流电压试验 45 到 50 绝缘电气试验 17 到 64 热变形试验 123 水平火焰试验 100 （试验方法 D7936 ) 完成电缆的绝缘电阻测试 30 到 37 矿物填料含量的测定 107 到 111 耐臭氧试验 87 到 99 局部放电试验 58 到 64 绝缘和护套化合物的物理试验 5. 到 16 表面电阻率测试 112 到 116 轨道阻力测试 125 到 128 U形弯管放电试验 117 到 121 吸水性试验 65 到 71 吸水试验，加速 72 到 86 纤维覆盖物的吸水性试验 101 到 106 1.4 每当以不同单位呈现两组值时，第一组中的值为标准值，而括号中的值仅供参考。 1.5 本标准并非旨在解决与其使用相关的所有安全问题（如有）。本标准的用户有责任在使用前制定适当的安全、健康和环境实践，并确定监管限制的适用性。 有关具体危险，请参阅第节 4. . 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。 ====意义和用途====== 5.1 正确解释的物理测试提供了有关绝缘或护套物理特性的信息。物理测试值给出了绝缘在其使用寿命内物理性能的近似值。物理测试为研究和开发、工程设计、质量控制以及规范下的验收或拒收提供了有用的数据。

1.1 These test methods cover procedures for testing crosslinked insulations and jackets for wire and cable. To determine the test to be made on the particular insulation or jacket, refer to the product specification for that type. These test methods do not apply to the class of products known as flexible cords. 1.2 In many instances the insulation or jacket cannot be tested unless it has been formed around a conductor or cable. Therefore, tests are done on insulated or jacketed wire or cable in these test methods solely to determine the relevant property of the insulation or jacket and not to test the conductor or completed cable. 1.3 These test methods appear in the following sections: Test Method Section(s) AC and DC Voltage Withstand Tests 22 to 29 Capacitance and Dissipation Factor Tests 38 to 44 Cold Bend 124 Cold Bend, Long-time Voltage Test on Short Specimens 51 to 57 Double AC Voltage Test on Short Specimens 45 to 50 Electrical Tests of Insulation 17 to 64 Heat Distortion Test 123 Horizontal Flame Test 100 (Test Method D7936 ) Insulation Resistance Tests on Completed Cable 30 to 37 Mineral Filler Content, Determination of 107 to 111 Ozone Resistance Test 87 to 99 Partial-Discharge Test 58 to 64 Physical Tests of Insulation and Jacket Compounds 5 to 16 Surface Resistivity Test 112 to 116 Track Resistance Test 125 to 128 U-Bend Discharge Test 117 to 121 Water Absorption Test 65 to 71 Water Absorption Test, Accelerated 72 to 86 Water Absorption Test on Fibrous Coverings 101 to 106 1.4 Whenever two sets of values are presented, in different units, the values in the first set are the standard, while those in the parentheses are for information only. 1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. For specific hazards see Section 4 . 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. ====== Significance And Use ====== 5.1 Physical tests, properly interpreted, provide information with regard to the physical properties of the insulation or jacket. The physical test values give an approximation of how the insulation will physically perform in its service life. Physical tests provide useful data for research and development, engineering design, quality control, and acceptance or rejection under specifications.