(under subclass 51.02) Devices in which single or plural switching means may be so operated as to open or close a selected part only of the total number of circuits under control of the switching means.
(1) Note. This subclass includes, for example, multiple lamp sockets having a switch which can be operated to light any desired number of lamps at will of the operator.
SEE OR SEARCH THIS CLASS, SUBCLASS:
1+, for switches, per se, for multiple-circuit control.
19.01+, for switch devices for periodic control of a plurality of circuits.
51.05+, for single coupling connector devices combined with multiple-circuit, selective switching means.