(under the class definition) Receptacles having provision for extending devices, such as strands, rods, pipes, etc., through the receptacle wall or for coupling them to the receptacle wall.
(1) Note. Such receptacles combined with apparatus contained therein are in the appropriate class.
SEE OR SEARCH CLASS
174, Electricity: Conductors and Insulators,
17, 18 and 50+ for receptacles in combination with electrical structure, such as insulators, conductors or contained electrical equipment, in addition to the structure of the receptacle or coupling means.
285, Pipe Joints or Couplings, 18+, for a coupling combined with assembly means, subclasses 149.1+ for a joint between a pipe or cable and box, subclasses 136.1+ for a cable to tubular member-to-plate joint, and subclasses 189+ for an end to plate, especially subclasses 194+ for secant joints having hole edge clamps.
