Data processing equipment and computers, computer software, particularly programs for lighting, air-conditioning, ventilation and heating installation projects and plans; regulating and control devices and apparatus for lighting installations and lights; inductive ballasts and starters for gas discharge lamps; electronic transformers; plugs and connectors for lighting cables; plastic and glass fiber optical lighting cables

Lighting installations, devices and apparatus and lights; emergency, indicator and safety lamps; optical fiber lighting installations; housings and screens for directing light, reflectors and covers for lights, mounts for lamps, lamp hanging supports; filters and detent filters, light outlets, lenses for light sources; ventilating systems, apparatus and devices; air directing and guidance devices, blades for channelling air, rollers for channelling air; air-conditioning installations, devices and apparatus; heating installations, devices and apparatus