Electric circuit breakers; medium voltage automatic circuit breakers; earth leakage circuit breakers; enclosures for circuit breakers; electrical circuit reclosers; sectionalizers; vacuum fault interrupters; surge arresters; fuses; fuse equipment; fault indicators; cable connection devices; transformers; transformer switches; voltage regulators; power capacitors; actuators; air break disconnect switches; data communications apparatus, instruments and equipment; load break switches; electronic switchgear; apparatus and instruments for switching electricity; electric switches for electronic power control; electrical switch assemblies; electronic switching amplifiers; telecommunications switching apparatus; photo-electric switches; electric skeleton switches; electrical switch boards; electrical switch boxes; electrical switch cabinets; electrical switch timers; electric power cells; electric power controllers; electrical power distributors; electric power dividers; electric power converters; electrical current overload protectors; electric power line detectors; optical power transmission apparatus; uninterruptable power supply apparatus and installations; alternating current power apparatus and installations; power conditioning apparatus; power analysers; electric mains power units; electric current transformers; electric mains transformers; electric transformers; tap changers for electric transformers; electric rectifiers; electric bridge rectifiers; electric current rectifiers; open and closed-loop control and switching apparatus and installations; circuit testing apparatus; electric circuits; electric circuit boards; electric circuit components; electric circuit control devices; electric circuit interrupters; electronic logic circuits; electronic integrated circuits; electronic memory circuits; in-circuit emulators; electronic memory integrated circuit chips; in-circuit debuggers; hybrid integrated circuits; semiconductors (integrated circuits); housings for electrical apparatus, assemblies and subassemblies; electric voltage, current and power meters and sensors; pressure measurement apparatus and instruments; temperature measurement apparatus and instruments; microcomputer assemblies, apparatus and installations; microprocessor based diagnostic apparatus; microprocessor based computer compatible apparatus; earth leakage distribution units; earth leakage protected socket outlet boxes; earthing clamps; earth testers; earth terminals; earthing apparatus; electric connectors and connector units; electric cables; cable junctions for electric cables; cable ladders for electric cables; cable outlets for electric cables; accessories, parts and fittings for all the aforesaid goods