Signaling and/or emergency lighting device for public premises, which is designed for application preferably on the surface that defines the riser of the steps of the room in question, to illuminate the own footprint of said steps, essentially characterized in that it is constituted from a rail formed by a tubular body of rectangular section, in which its length will be in accordance with the longitudinal measurement of the step, while its width and thickness are relatively small, determining a body very elongated and substantially flat, inside which, at regular intervals, it incorporates a series of lighting lamps powered by three wires, which are supplied with voltage from an independent control panel; with the particularity that the illumination produced by each of said lamps is projected to the exterior through a window made for this purpose on the external and greater face of the body of the rail, in whose window there is arranged a diffuser of resistant material that rests on the edge defining a complementary window belonging to a plate fixed by screws around the window of the rail, said plate and diffuser being completed with a flat cover in embellishing functions. (Machine-translation by Google Translate, not legally binding)
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