MODULAR LIGHTING SYSTEMS 33 gaps between lighting inserts(only in the case of flush ceiling-mounting)or reflector optics can be blanked off at thesame level with cut-to-length cover plates. point along the channel run without the use of tools. Thanks to a special snap-in mechanism, it is child's play to click them into the channel section by hand and evenvary their recessed depth, e.g. flush-mounting ensures that all lighting insertscan be moved freely and directed towards walls (from the ceiling down to the floor); semi-recessed fully recessed , especially if T16 lightinginserts fitted with various reflector optics are to be used, or in the section,particularly if spotlight inserts are to be usedas stationary downlights.All the lighting inserts are marked with their modular length (e.g. single module, 1.5module etc.). The modular unit is 320 mm.This means, for instance, that a doublelighting insert (T16 24 W) should be fitted in a 640 mm channel run (the actual insert it- self is slightly shorter in order to leave suffi-cient space for handling). Dividing the rele- vant channel run into modular units makes it easy to determine the maximum number of lighting inserts which can be fitted.The various reflector optics (specular louvre,prismatic optic etc.) are inserted into a Lighting inserts can be fitted, moved or removed at any time. They can be fitted andelectrically connected (including optional connection to the integral bus line) at any
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