Information technology and audio-visual, multimedia and photographic devices; amplifiers; analog-to­ digital converters; distribution amplifiers; multiport controllers; power amplifiers; USB (universal serial bus) hardware; signal amplifiers; communication equipment; audio transmitter units; digital signal processors; electronic signal transmitters; signal convertors; signal transmission apparatus; switchboards; transceivers; transmitters of electronic signals; wireless transmitters and receivers; computer networking and data communications equipment; computer network adapters; computer network bridges; computer networking hardware; ethernet adapters; ethernet hardware; LAN [local area network] hardware; optical networks; signal cables for IT, AV and telecommunication; audio cables; cable connectors; coaxial connectors; data cables; ethernet cables; fibre optic cables; fibre optic couplings; fiber optics; fibres for the transmission of sounds and images; microphone cables; optical cables; optical connectors; optical fiber cables; optical fiber connectors; optical fibres; optical switches; USB cables; video cables; apparatus, instruments and cables for electricity; apparatus and instruments for controlling electricity; control panels [electricity]; electric converters; electric current control devices; electric current switches; electric power distribution machines; electric switching apparatus; electric transformers; electrical adapters; electrical distributors; electrical power distribution blocks; electricity limiters; fault voltage breakers; overvoltage protectors; panels for the control of electricity; power adapters; power conditioners; power controllers; power distributors [electrical]; stage lighting regulators; voltage surge protectors; electrical and electronic components; adapter plugs; coaxial cable connectors; covers for electric outlets; distribution boxes for electrical power; electric connections; electric contacts; electric couplings; electric plugs; electric switches; electric wires and cables; electrical connection boxes; electrical connector housings; electrical connectors; electrical sockets; fibre optic panels; joint boxes for housing cable joints; moveable sockets; multi-outlet socket blocks; plug adaptors; plug connectors; power connectors; power distributing boxes; electric cables and wires; cables for optical signal transmission; connection cables; connections for electric lines; electric cables; electric extension cables; electronic cables; guitar cables; power cables; cable identification markers for electric cables; wire connectors [electricity]; electrical circuits and circuit boards; audio circuit boards; circuit boards provided with integrated circuits; digital sound processors; measuring, detecting, monitoring and controlling devices; apparatus for measuring, monitoring and analyzing electricity consumption; electro-optic transducers; measuring devices; electricity meters; electricity measuring instruments; current-meters; power meters; voltmeters; wattmeters; controllers and regulators; electric control devices for energy management; electrical controlling devices; lighting control apparatus.

Installation, cleaning, repair and maintenance services; advisory services relating to the maintenance and repair of mechanical and electrical equipment; electric appliance installation and repair; electrical wiring services; installation of electrical earthing; installation of electrical wiring; maintenance and repair of electrical earthing systems; providing information relating to the installation of electrical apparatus; renovation, repair and maintenance of electrical wiring; repair of electrical equipment and electrotechnical installations; installation, repair and maintenance of signal cables for IT, AV and telecommunication, and of audio cables, coaxial cables, connection cables, data cables, earth cables, electric cables, electronic cables, ethernet cables, microphone cables, power cables, video cables; installation, repair and maintenance of optical cables, fibre optic cables; installation, repair and maintenance of cable connectors, coaxial connectors, adapter plugs, electric couplings, electric plugs, electrical connectors, plug adaptors, plug connectors, power connectors, cable connectors; installation, repair and maintenance of optical connectors, optical fiber connectors; installation, repair and maintenance of computer networking and data communications equipment, amplifiers, analog-to-digital converters, digital signal processors; installation, repair and maintenance of power controllers, electric switches, electrical connection boxes, multi-outlet socket blocks, power distributing boxes, electricity meters, electric control devices for energy management, electrical controlling devices.

Custom manufacture and assembly services; custom manufacture of signal cables for IT, AV and telecommunication, and of audio cables, coaxial cables, connection cables, data cables, earth cables, electric cables, electronic cables, ethernet cables, microphone cables, power cables, video cables; custom manufacture of optical cables, fibre optic cables; custom manufacture of cable connectors, coaxial connectors, adapter plugs, electric couplings, electric plugs, electrical connectors, plug adaptors, plug connectors, power connectors, cable connectors; custom manufacture of optical connectors, optical fiber connectors; custom manufacture of computer networking and data communications equipment, amplifiers, analog-to-digital converters, digital signal processors; custom manufacture of power controllers, electric switches, electrical connection boxes, multi-outlet socket blocks, power distributing boxes, electricity meters, electric control devices for energy management, electrical controlling devices.

Science and technology services; consultancy services in the field of technological development; research and development of new products for others; scientific research in the field of electricity; engineering services; electrical engineering; engineering design services; engineering services in the field of signal cables for IT, AV and telecommunication, and of audio cables, coaxial cables, connection cables, data cables, earth cables, electric cables, electronic cables, ethernet cables, microphone cables, power cables, video cables; engineering services in the field of optical cables, fibre optic cables; engineering services in the field of cable connectors, coaxial connectors, adapter plugs, electric couplings, electric plugs, electrical connectors, plug adaptors, plug connectors, power connectors, cable connectors; engineering services in the field of optical connectors, optical fiber connectors; engineering services in the field of computer networking and data communications equipment, amplifiers, analog-to­ digital converters, digital signal processors; engineering services in the field of power controllers, electric switches, electrical connection boxes, multi-outlet socket blocks, power distributing boxes, electricity meters, electric control devices for energy management, electrical controlling devices; testing, authentication and quality control; product quality testing services; testing of apparatus in the field of electrical engineering; testing the functionality of apparatus and instruments; testing services in the field of electricity; testing of signal cables for IT, AV and telecommunication, and of audio cables, coaxial cables, connection cables, data cables, earth cables, electric cables, electronic cables, ethernet cables, microphone cables, power cables, video cables; testing of optical cables, fibre optic cables; testing of cable connectors, coaxial connectors, adapter plugs, electric couplings, electric plugs, electrical connectors, plug adaptors, plug connectors, power connectors, cable connectors; testing of optical connectors, optical fiber connectors; testing of computer networking and data communications equipment, amplifiers, analog-to-digital converters, digital signal processors; testing of power controllers, electric switches, electrical connection boxes, multi-outlet socket blocks, power distributing boxes, electricity meters, electric control devices for energy management, electrical controlling devices; design services; designing of electrical systems; industrial design.