Apparatus for managing energy supplies; Devices for measuring energy; Electrical apparatus (other than generators) for use in energy supply; Energy control devices; Energy regulators; Electromagnetic wave generators; Electronic waveform generators; Apparatus for electricity distribution; Apparatus for electricity supply; Electricity distribution apparatus; Electricity distribution instruments; Electricity mains apparatus; Electricity metering apparatus; Surge protection apparatus; Voltage surge protectors; Electrical surge arrestors; Energy saving devices; Power saving devices

Energy saving devices, being cards incorporating electronic chips; Power saving devices, being cards with negative ions.