scope:

This Standard covers the minimum requirements for standard sizes of rubber and rubber-like insulating covers 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.

This Standard covers two types of covers designated as:

Type I non-resistant to ozone; and

Type II, resistant to ozone.

This Standard covers five classes of covers, differing in electrical characteristics, designated as: Class O, Class 1, Class 2, Class 3 and Class 4.

This Standard covers five styles of covers, differing in design characteristics, designated as: Style A, Style B, Style C, Style D and Style E.