21 AIRCRAFT AND AEROSPACE ELECTRICAL CONNECTING DEVICE HAVING A SMALL CYLINDRICAL MEMBER WITHIN WHICH ARE TWO ATTACHING CLIPS FOR RECEIVING AND AUTOMATICALLY ENGAGING AND RETAINING PINCONTACTS ON THE ENDS OF WIRES ARRANGED IN AN ALIGNED END-TO-END RELATIONSHIP AND INSERTED INTO THE CYLINDRICAL MEMBER FROM OPPOSITE ENDS, WITH AN ELECTRICAL CONDUCTOR IN THE CYLINDRICAL MEMBER BETWEEN THE ATTACHING CLIPS FORMING AN ELECTRICAL CIRCUIT BETWEEN THE TWO CONTACTS