1.范围1。1本标准涵盖了在带电导体和设备上或附近工作时，用于防止触电的橡胶和橡胶状绝缘套管的最低要求。下文中，术语橡胶包括符合本标准的类橡胶材料。1.2本标准涵盖两种套管:I型，不耐臭氧；II型，耐臭氧。1.3本标准涵盖五类电气特性不同的套管，分别为:0类、1类、2类、3类和4类。 1.4.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.2.3.3.2.2.2.2.3.3.2.2.2.2.2.2.2.3.3.3.2.2.3.3。

1. Scope1.1This Standard covers the minimum requirements for rubber and rubber-like insulating sleeves used as protection from electric shock while working on, or in the vicinity of, energized conductors and apparatus. Hereinafter, the term rubber includes rubber-like materials that conform to this Standard.1.2This Standard covers two types of sleeves designated as: Type I, non-resistant to ozone, and Type II, resistant to ozone.1.3This Standard covers five classes of sleeves, differing in electrical characteristics, designated as: Class 0, Class 1, Class 2, Class 3, Class 4.1.4This Standard covers two styles of sleeves, differing in configuration, designated as Style A, straight taper, and Style B, c urved elbow.