Special Features:

Double pole ac main circuit breakers with installed lockout slide; prevents connecting both ac sources simultaneously; red reverse polarity indicating led; all hot, neutral and safety ground buses installed, fully pre-wired; "on" indicating leds installed in all circuit positions

Properties:

Two or more complete switches mounted on each other or having a common mounting the major function of which is to hold the switches. Each switch, as a separable item, must be capable of functioning in accordance with its own name. Excludes items consisting of individually separable switches which are physically interlocked (e.G., one button returns when the other is pushed), which have a common actuator, or are electrically connected. See also switch, push.