Data transmission cables; electrical cable apparatus; telecommunications cable; surveillance apparatus and instruments; closed circuit television surveillance cameras; satellite broadcasting apparatus; satellites for communication purposes; apparatus for telephone networks; electrical communicating apparatus; optic fibre cables, parts and accessories for optic fibre cables; apparatus for linking computers into networks; apparatus for telephone networks; apparatus for use in communications networks; cabling networks (installations) incorporating fibre optic cables; cabling for transmitting signals; communication devices for linking computer networks; communications networks; receiving devices for connection to communication networks; circuit breakers and closers; conduits, sockets, plugs and other electrical connections and contacts; electrical switch boxes and switches; fibre optic communications installations for use with computers; fibre optics communications installations for use with electronic apparatus; close cricuit television monitoring installations

Electrical installations for lighting; electrical apparatus for lighting