(under subclass 600) Subject matter wherein the housing or mounting assembly is combined with an electrical component or
device and (a) a mechanical or electrical device that completes or breaks a path of current or sends current over a different path or (b) a protective device, usually a short piece of wire but sometimes a chemical compound, which melts and breaks a circuit when a current exceeds a rated value.
SEE OR SEARCH THIS CLASS, SUBCLASS:
605+, for electrical switchgear in power distribution systems and devices.
628+, for switches in distribution power boards.
630, for panel boards with fuses.
632, for switchboard or switch in a frame.
828, for switchboard or switches with wire distribution means. 833+, for fuse blocks of unit construction.
835, for fuses on pullout devices.
SEE OR SEARCH CLASS
174, Electricity: Conductors and Insulators,
52.1+, for boxes or housing containing a switch or fuse and having no structural details of a switch or fuse.
200, Electricity: Circuit Makers and Breakers, appropriate subclass for switches, per se.
337, Electricity: Electrothermally or Thermally Actuated Switches, appropriate subclass for fuses, per se.