439 / | HD | ELECTRICAL CONNECTORS |
43 | DF | WITH SELECTABLE CIRCUIT, E.G., PLUG BOARD {5} |
49 | DF | .~ Including three or more contacts adapted to be selectively interconnected {1} |
50 | DF | .~.~ Panel having planar contact array with mating panel having mating planar contact array {1} |
51 | .~.~.~ Mounted for controlled movement with respect thereto |