Apparatus for lighting control; dimming apparatus for electric lighting; electrical cables for lighting installations; electrical control units for lighting installations; blanking plates adapted for electrical connections; cable glands for use with electrical apparatus; clips for making electrical connections; components for electrical devices; connectors for joining electrical wires; control panels comprising electrical apparatus; couplings for electrical cables; digital electrical gauges adapted for use in measuring; display apparatus (electrical or electronic); ducts for electrical wiring; ducts for housing electrical wires; electrical adaptors; electrical apparatus for recording video images; electrical apparatus for security purposes (other than for vehicles); electrical apparatus for the distribution of electric power; electrical cable; electrical cable connectors; electrical cable distribution trunking; electrical cables for lighting installations; electrical cables for sale on drums; electrical cables for sale on reels; electrical circuit boards; electrical circuit breakers; electrical circuit components; electrical circuit control devices; electrical conduits; electrical connection boxes; electrical connectors; electrical control panels for burglar alarm systems; electrical couplings; electrical current distribution apparatus; electrical distribution boxes; electrical distributors; electrical junction boxes; electrical meters; electrical plugs; electrical sensors; electrical sockets; electrical surge arrestors; electrical switch apparatus protected by synthetic covers; electrical switch boards; electrical switch boxes; electrical switches; electrical switchgear; electrical telephone wires; electrical terminal connectors; electrical terminals; electrical terminals connected to electrical cables; electrical test apparatus; electrical time switches; electrical transformers for use with lighting; electrically operated latches; electrically operated locking dev ices; fitted electrical switchboards; flexible bus bars being electrical apparatus; flexible electrical conduits; insulated cable for electrical installations; insulated electrical wires; junction boxes for electrical circuits; junction boxes for electrical purposes; meters for measuring electrical current; meters for measuring electrical voltage; plastic conduits for electrical wiring; sockets (electrical); sockets for electric plugs for use on domestic electrical apparatus; terminals (connectors) for electrical wiring; wall plates adapted for electrical components; wall plates for electrical connections