Modular frame panel, BRH/A/S, ZS 50, OT 120, hfr, painted aluminum. Frame panel for parapet duct, modular, can be aligned in a combination distance of 71 mm, cut concealed to the upper section of the duct. For accommodating central discs, covers, rockers or adapter frames from installation switch programs measuring 50 x 50 mm. Adapted to the outer contour of the parapet duct to reduce dirt deposits and to simplify cleaning. For use with alignable device boxes for parapet ducts, with reduced installation depth for flush closure with the closure contour of the parapet duct. Can be combined with socket cover for parapet duct using an optional intermediate piece.