System which includes means for automatically checking connections during the wiring of electrical equipment

Claim 1

IN A SYSTEM FOR ASISTING ONE TO CONNECT APPROPRIATE ELECTRICAL ELEMENTS BETWEEN SELECTED ONES OF A GROUP OF TERMINALS, IN COMBINATION, AN INDICATOR CHART FOR INDICATING, IN SEQUENCE, THE TERMINALS BETWEEN WHICH ELEMENTS ARE TO BE CONNECTED, AN ELECTRICAL ELEMENT DISPENSER FOR PROVIDING ELEMENTS TO BE PLACED BETWEEN PAIRS OF TERMINALS; A SENSING CIRCUIT ELECTRICALLY COUPLED TO SAID TERMINALS FOR SENSING THAT AN ELEMENT TAKEN FROM THE DISPENSER HAS BEEN PROPERLY CONNECTED BETWEEN TWO TERMINALS AND FOR PRODUCING AN INDICATION IN RESPONSE THERETO; AN ADVANCE CIRCUIT FOR ACTUATING SAID DISPENSER AFTER A CONNECTION HAS BEEN MADE FOR CAUSING THE DISPENSER TO PROVIDE THE ELEMENT TO BE PLACED BETWEEN THE NEXT PAIR OF TERMINALS TO BE CONNECTED AND FOR ACTUATING SAID INDICATOR CHART; A SWITCH IN SAID ADVANCE CIRCUIT FOR OPERATING SAID CIRCUIT; AND MEANS RESPONSIVE TO THE ABSENCE OF SAID INDICATION FOR PREVENTING THE ADVANCE CIRCUIT FROM BEING ACTUATED BY SAID SWITCH AND FOR PREVENTING SAID INDICATOR CHART FROM BEING ADVANCED, AND RESPONSIVE TO THE PRESENCE OF SAID INDICATION AND TO THE OPERATION OF SAID SWITCH FOR CHANGING THE INDICATION ON SAID INDICATOR CHART TO THAT OF THE NEXT TERMINALS BETWEEN WHICH A CONNECTION IS TO BE MADE AND FOR ACTUATING SAID DISPENSER.