Basically the most well known fittings for rectilinear lamps, starting with the famous battens on IP20 up to IP68, bodies made of steel, aluminium, polycarbonate, stainsteel and a tremendous variety of versions for recessed mounting or surface, different type of louvers and finishings of these ones. Nowadays the most advanced versions are presenting “black light” fittings, based on special lamps combined with electronic ballasts, one of the technical advances successful in a near future.