| 439 / | HD | ELECTRICAL CONNECTORS | 
| 527 | DF | WITH SUPPORTING MEANS FOR COUPLING PART {18} | 
| 571 |  | .~ Comprising or for use with supporting panel {2} | 
| 572 | DF | .~.~> Conductor extending into panel opening | 
| 573 | DF | .~.~> Directly attached to panel by elongated fastener in tension (e.g., rivet, bolt or screw) |