1.1 本规范涵盖了保护工人免受电击的橡胶绝缘套管的制造和测试。 1.2 提供了两种类型的套筒，它们被指定为I型，不耐臭氧，和II型，耐臭氧。 1.3 提供了五类不同电气特性的套管，它们被指定为0级、1级、2级、3级和4级。 1.4 提供了两种不同配置的套筒，分别指定为A型直锥形套筒和B型弯曲弯头套筒。 1.5 以国际单位制表示的数值应视为标准。看见 IEEE/ASTM SI 10 . 1.6 以下安全隐患警告仅适用于试验方法部分，第节 16 – 19 ，本规范的: 本标准并不旨在解决与其使用相关的所有安全问题（如有）。本标准的使用者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。 具体的安全隐患说明见 18.2 . 1.7 本国际标准是根据世界贸易组织技术性贸易壁垒委员会发布的《关于制定国际标准、指南和建议的原则的决定》中确立的国际公认的标准化原则制定的。

1.1 This specification covers manufacturing and testing of rubber insulating sleeves for protection of workers from electrical shock. 1.2 Two types of sleeves are provided and are designated as Type I, nonresistant to ozone, and Type II, resistant to ozone. 1.3 Five classes of sleeves, differing in electrical characteristics, are provided and are designated as Class 0, Class 1, Class 2, Class 3, and Class 4. 1.4 Two styles of sleeves, differing in configuration, are provided and are designated as Style A, straight taper, and Style B, curved elbow. 1.5 The values stated in SI units are to be regarded as the standard. See IEEE/ASTM SI 10 . 1.6 The following safety hazards caveat pertains only to the test methods portion, Sections 16 – 19 , of this specification: 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. Specific safety hazards statements are given in 18.2 . 1.7 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.