Header construction with interlock electrical disconnect

Claim 1

A PACKER-MANIFOLD UNIT FOR A SUBMERGED MOTORPUMP APPARATUS COMPRISING, A MANIFOLD BODY HAVING AN UPRIGHT PASSAGE EXTENDING THERETHROUGH DIMENSIONED SUFFICIENTLY LARGER THAN THE MOTOR-PUMP APPARATUS TO ENABLE INSERTION AND REMOVAL OF THE MOTOR-PUMP APPARATUS THERETHROUGH, SAID MANIFOLD BODY HAVING A DISCHARGE PASSAGE THEREIN, A PACKER BODY REMOVABLY MOUNTED IN SAID MANIFOLD BODY, SAID PACKER BODY HAVING A DOWNWARDLY FACING INLET OPENING ADAPTED FOR CONNECTION TO A PUMP DELIVERY PIPEF AN OUTLET OPENING REGISTERING WITH SAID DISCHARGE PASSAGE IN SAID MANIFOLD BODY; AND TRANSFER PASSAGE MEANS IN THE PACKER BODY COMMUNICATING THE INLET OPENIGN WITH THE OUTLET OPENING FOR PASSING FLUID FROM THE PUMP DELIVERY PIPE TO THE COMMUNICATING THE SAID PACKER HAVING A SOCKET EXTENDING INTO THE TOP THEREOF, A PLUG-IN TYPE ELECTRICAL CONNECTOR INCLUDING A FIRST CONNECTOR MEMBER MOUNTED IN SAID SOCKET ON SAID PACKER BODY AND HAVING A FIRST SET OF PLUG-IN TYPE CONTACTS DISPOSED INWARDLY OF THE OUTER END OF THE SOCKET AND GEN-/ ERALLY PARALLELING THE DIRECTION OF MOVEMENT OF THE PACKER BODY INTO AND OUT OF THE MANIFOLD BODY, MEANS DEFINING A FITTING FOR RECEIVING POWER SUPPLY CONDUCTORS DISPOSED IN FIXED RELATION OF SAID MANIFOLD BODY, AN ARM DEFINING A CONDUCTOR RECEIVING PASSAGE, MEANS MOUNTING