Keyed dead front electrical connector and cap

Claim 1

AN ELECTRICAL CONNECTOR WHICH COMPRISES: A BODY OF INSULATING MATERIAL INCLUDING A FRONT SURFACE AND DEFINING A CHAMBER THEREIN COMMUNICATING WITH SAID FRONT SURFACE; A PLURALITY OF ELECTRICAL CONTACT MEANS POSITIONED WITHIN SAID CHAMBER; MEANS FOR ELECTRICALLY CONNECTING SAID CONTACT MEANS TO ELECTRICAL CONDUCTOR MEANS; CLOSURE MEANS SLIDABLY RETAINED IN SAID CHAMBER FOR MOVEMENT BETWEEN A FIRST POSITION ADJACENT SAID FRONT SURFACE AND A SECOND POSITION WITHIN SAID CHAMBER; SAID CLOSURE MEANS DEFINING AN OPENING THERETHROUGH; MEANS WITHIN SAID CHAMBER POSITIONED TO BIAS SAID CLOSURE MEANS INTO SAID FIRST POSITION; AND KEYING PINS MEANS ROTATABLY MOUNTED IN SAID CONNECTOR AND EXTENDING THROUGH SAID CHAMBER AND THE OPENING IN SAID CLOSURE MEANS TO A POINT OUTWARDLY OF SAID CLOSURE MEANS; SAID KEYING PIN MEANS HAVING A NONCIRCULAR CROSS SECTION ALONG AT LEAST A PORTION OF ITS LENGTH.