(under subclass 64) Multiple filament load devices, wherein the filaments are connected in electrical series relation with respect to each other.
(1) Note. Some of the devices in this subclass provide switch means for connecting one only of the filaments to the supply circuit or to connect a plurality of the filaments in series with respect to the supply circuit. Some of the devices provide switch means to connect the filaments in either series or parallel relationship with respect to the supply circuit.
SEE OR SEARCH THIS CLASS, SUBCLASS:
185, and indented subclasses, and the subclasses specified in the notes to the definition of these subclasses, for other series connected load devices under the class definition.
