Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; control devices for heating, cooling, ventillation and air conditioning installations and apparatus; electric transistor conversion apparatus; power converters; voltage converters; electrical converters; direct current converters; current converters; power inverters; electrotechnical apparatus and instruments (included in this class); electrical and electromechanical components (included in this class); electric measuring, signalling, checking (supervision) apparatus and checking instruments; apparatus for recording, transmission or reproduction of sound or images; data processing equipment; computers; computer software; digital recording media; analog recording media; electrical cables; optical cables; starter cables for motors; electrical wiring harnesses; switches; electrical switches; switches for electrical components; micro switches; push switches; rocker switches; lever switches; switching apparatus; relays; electric apparatus for commutation and contactors; sensors; resistors; potentiometers; diodes; electric components; electronic components; components and assemblies for electric vehicles and rail vehicles included in this class; fuse boxes; fuses; electric earthing boxes; branch boxes; electric clips; bushes for electrical cables; control panels; protective tubes and dust covers for electrical apparatus and connectors; end caps and covers for electrical connectors; plug-in connectors; plugs, sockets and other contacts [electric connections]; electrical contacts; connectors; connectors for electrical components; connectors for electronic components; electrical connectors; cable connectors; electrical terminal connectors; sockets, plugs and other contacts [electric connections]; sirens; sirens for vehicles; radio and luminous beacons; warning lights; safety beacons; systems and devices for collecting, receiving, processing, displaying and presenting data and information, in particular in the field of railway transport and railway vehicles; booking systems and place reservation systems, in particular for rail transport; switching, monitoring and control apparatus and equipment for electrical installations of railway carriages and railcars; electric batteries and accumulators, parts and fittings for batteries; electric accumulator and battery chargers; parts and fittings for the aforesaid goods included in this class; apparatus for supplying electric power to railway carriages from the bus bar of the train and installations composed thereof.