Electric plugs; Electric sockets; [ Electric switch plates; Electric switches; ] Electric light switches; [ Electrical plugs; Electrical plugs and sockets; ] Electrical power extension cords; [ Electrical sockets; Electrical switches; Home and office electrical power automation systems comprising wireless and wired controllers, controlled devices, and software for appliances, lighting, HVAC, security and other home and office electrical power monitoring and control applications; ] Light switc...