US Patent 9035180 Active cover plates

In one example, an active cover plate includes a faceplate, a load and a spring clip extending rearward from the faceplate to interface with a receptacle body, wherein the spring clip includes a flexible conductive portion connected to the face plate by a first end and a non-conductive portion connected to an opposite end of the flexible conductive portion, wherein the spring clips extract electrical power from the receptacle body to energize the load.