Background lighting

Areas within work places, particularly ones with insufficient daylight supply, which are directly adjacent to the immediate surrounding area also need to be illuminated appropriately. According to EN 12464-1, these background areas must be illuminated at a minimum width of 3,0 m with at least 1/3 of the maintained illuminance of the immediate surrounding area (see table) and with a minimum uniformity U0 of at least 0,10.