(under subclass 254) Systems wherein the transformer is provided with (1) two or more secondary coils, or (2) a tapped secondary coil, and a load device is connected to each of the secondary coils or each of the sections of the tapped secondary coil.
SEE OR SEARCH THIS CLASS, SUBCLASS:
278, for other systems under the class definition provided with a transformer in the supply circuit of a load device, the transformer being provided with three windings.
282, for other systems with tapped transformers in the supply circuit of the load device.
SEE OR SEARCH CLASS
323, Electricity: Power Supply or Regulation Systems,
251, and 332, for miscellaneous systems having a plural primary or secondary winding transformer for controlling the magnitude of the current and/or voltage in a single circuit. 336, Inductor Devices, appropriate subclasses for the structure of transformers and inductive reactors with plural