Instruments for temperature control; Temperature controllers; Temperature controlling apparatus; Apparatus for lighting control; Batteries for lighting; Computer controllers for operating lighting apparatus; Computer controls for lighting apparatus; Electrical cables for lighting installations; Electrical control units for lighting installations; Electrical starting apparatus for discharge lighting; Electrical starting devices for discharge lighting; Electrical transformers for use with lighting; Electronic control apparatus for lighting; Lighting ballasts; Lighting control apparatus; Remote control apparatus for lighting units; Sensing apparatus being parts of outside lighting apparatus; Apparatus for connecting electrical circuit components; Apparatus for controlling the supply of electrical current; Apparatus for electrical safety protection; Apparatus for monitoring electrical components; Apparatus for testing electrical apparatus; Apparatus for the control of power supply to electrically driven motors; Cable for electrical transmission; Clips for making electrical connections; Combined electrical and optical cables; Components for electrical devices; Components for electrical installations; Connections for electrical purposes; Connectors for joining electrical wires; Control panels comprising electrical apparatus; Digital electrical gauges adapted for use in measuring; Dispensers for electrical components; Ducting containing electrical conductors; Ducts for electrical wiring; Ducts for housing electrical wires; Electrical access apparatus; Electrical actuators; Electrical adaptors; Electrical amplifiers; Electrical apparatus for controlling machines; Electrical apparatus for controlling the speed of motors; Electrical apparatus for converting alternating current to direct current; Electrical cable; Electrical cable apparatus; Electrical cable connectors; Electrical cables for connecting computers; Electrical circuit breakers; Electrical circuit components; Electrical communications cables; Electrical components; Electrical conduits; Electrical connection boxes; Electrical control apparatus; Electrical control boards; Electrical controls; Electrical converters; Electrical couplings; Electrical digital control apparatus; Electrical ducts; Electrical energising apparatus for lighting appliances; Electrical fuses; Electrical plugs; Electrical power adaptors; Electrical push switches; Electrical relays; Electrical sockets; Electrical switch assemblies; Electrical switch timers; Electrical switches; Electrical switchgear; Electrical transformers; Electrical wiring installations