US Patent 9768562 Modified electrical devices

In one example, a modified electrical device includes a body and at least one connector on the body to make power and control connections with an active cover plate. A system includes an active cover plate with low voltage circuitry and a first interface and a modified electrical device. The modified electrical device includes high voltage circuitry and a second interface to connect to the first interface to supply low voltage to the active cover plate. A method for controlling a flow of power through a modified electrical device is also provided.