Apparatus for lighting, apparatus for lighting buildings; apparatus for lighting powered by electricity; computer controlled lighting instruments and apparatus; light fittings; electric light fittings; fluorescent lamps and lights, lights, tube fittings, tubes; fluorescent lamps with low ultra-violet light output; lighting apparatus utilising light emitting diodes (leds); high bay lighting products including specialised energy efficient lighting products; battery powered fluorescent emergency lighting units; electric light bulbs, fittings, apparatus, installations; bulbs for lighting; casings for lights; ceiling lights and fittings; combined lighting and ultraviolet apparatus; diffusers being parts of lighting apparatus; discharge tubes, electric, for lighting; electrical installations for lighting; emergency lighting; filters for lighting apparatus; floodlights; full spectrum light sources; high intensity discharge lights; installations for lighting incorporating halogen heating devices; light bars; light diffusers; light filters (other than for medical or photographic use); light production apparatus (other than for photographic or medical use); light sources (other than for photographic or medical use); lighting apparatus and installations; lighting fixtures for commercial use; lighting fixtures for office use; lighting units; lights for external installation; lights for security use; lights for wall mounting; louvres for light control; louvres for light deflection; louvres for lights; outdoor lighting fittings; outdoor lighting; reflectors for light control; reflectors for light deflection; reflectors for lamps; roof lights (lamps); security lighting; shades for lighting apparatus; solar lamp units; solar panels for use in heating and lighting; studio lamps