(under subclass 8) Subject matter wherein the circuit breaker breaks two or more separate conducting paths for two or more phases of alternating current.
(1) Note. Devices known as bipole or double pole which complete the circuit in each conductor of a direct current circuit will also be found here.
SEE OR SEARCH THIS CLASS, SUBCLASS:
44, for air-current blowout circuit interrupter.
58, for puffer piston circuit interrupter.
71, for sealed chamber circuit interrupter.
101, for liquid circuit interrupter. 119+, for vacuum circuit interrupter.
