Apparatus for converting thermal energy to electrical energy, namely, thermoelectric converters; Automatic switchboards; Electric circuit switches; Electric current switches; Electric light switches; Electric or electronic sensors for error or fault detection in terrestrial electrical or power grids and energy management systems thereof; Electric sensors; Electric switch housings; Electric switch plates; Electric switches; Electrical energy utilization metering devices complete with related software; Electrical plugs and sockets; Electrical sensor apparatus for sensing the presence or absence of individuals or objects by contact or pressure; Electrical sockets; Electrical switches; Electronic controllers used to reduce power consumption; Electronic data relays for sensors; Electronic devices, namely, energy meters for tracking and monitoring energy usage; Electronic devices, namely, energy submeters for tracking and monitoring energy usage; Electronic monitors and monitor modules for monitoring electric current and electrical signals; Electronic motion sensitive switches; Electronic proximity sensors and switches; Electronic touch sensitive switches; Environmental monitoring system comprised of meters and sensors that measure pressure, humidity, temperature and includes alarm and reporting functions; Gas sensors for measuring gas concentration; Humidity sensor with integrated digital and analog output circuitry used in automotive, appliance and light industrial applications to sense both relative humidity and temperature environmental conditions; Light switches; Light systems comprising light sensors and switches; Microprocessor-based hardware systems used to reduce power consumption; Multi-outlet socket blocks; Occupancy sensors, namely, electronic devices which detect the presence of occupants and control the lighting system accordingly; Optical sensors; Photoelectric sensors; Power switches; Software for monitoring and controlling communication between computers and automated machine systems; Switch boxes; Switchboards