(under subclass 600) Subject matter wherein the housing or mounting assembly is combined with an electrical device which changes voltage in direct proportion to a ratio of the number of turns of its primary and secondary windings.
(1) Note. The electrical housing or mounting assembly may also contain other electrical components.
SEE OR SEARCH THIS CLASS, SUBCLASS:
603, for power distribution station (substation) housings or mounting assemblies combined with transformer.
620, for electrical switchgear housing or mounting assembly with transformer.
623, for electrical power distribution systems housing and mounting assemblies with distribution or control unit combined with a transformer.
663, for electrical service meter housing or mounting assembly with transformer.
SEE OR SEARCH CLASS 336, Inductor Devices, appropriate subclasses for transformers, per se.
