A variety of active cover plate configurations with prongs configured to contact side screw terminals of electrical receptacles are described. In one illustrative embodiment, an active cover plate includes a multi-gang face plate configured to be installed over a multi-gang light switch installation, the multi-gang faceplate including at least two apertures sized to accept a manually manipulatable element of switches in the multi-gang light switch installation. Prongs extend rearward from the multi-gang faceplate around at least one of the apertures.