Abstract: A device in a nuclear reactor for connecting a plurality of energy conveying cables to a nuclear reactor head structure comprising a pair of matching multiple cooperative connector plates for disengageably connecting an energy source with the reactor head structure; at least one of said connector plates being a movable connector plate; each of the multiple connector plates containing a multiplicity of individual connectors, each individual connector being one of a matching pair of connectors that are engaged when the matching multiple connector plates are brought together, each connector of the matching pair being mounted in corresponding locations on the opposing matching multiple connector plates; and at least one displacing means, affixed to a support structure on one end and to said movable connector plate at the other end, for accurately guiding the movable connector plate along a precise, predetermined path, such that the connectors of each pair of matching connectors meet in correct alignment.