| 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 | ![]() | .~.~ Panel having planar contact array with mating panel having mating planar contact array {1} |
| 51 | DF | .~.~.~> Mounted for controlled movement with respect thereto |