Frame cover 55 modular OT 80 halogen-free traffic white. Frame cover for parapet duct, modularly stackable at a combination distance of 71 mm, cut-concealed to the upper part of the duct. For accommodating central panels, covers, rockers or adapter frames measuring 55 x 55 mm. Adapted to the outer contour of the parapet duct to reduce dirt deposits and simplify cleaning. For use with stackable 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.