Abstract: A cover plate to be positioned over an electrical receptacle and fastened to it and which plate includes a main plate with a pair of openings in registry with the electrical sockets of the receptacle and a pivotal cap normally in covering relation of each of the openings and energized sockets, the caps being pivotally connected to the main plate and including a ferrous metal keeper in blocking relation of pivotal movement of each of the caps and in a slot; the keeper is responsive to magnetic forces of attraction to slide in the slot out of blocking relation of pivotal movement of the cap so that a magnet can be used as a key to gain access to the energized receptacle.