ASTM D1051 – Standard Specification for Rubber Insulating Sleeves
Description:
Scope
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.
ASTM D1050