(under subclass 137) Insulators mounted in a ring, clamp, or other holder which embraces or surrounds both the insulator, and the conductor held thereby.
(1) Note. Compare this class, subclass 151 and indented subclasses, for bushing type insulators mounted in walls or plates.
(2) Note. For pipe and cable holders having rings, clamps, etc., embracing the pipe or cable and not limited to use with electric conductors or combined with insulators, see Class 248, Supports, subclass 49 and indented subclasses.
