Modular frame panel, ZS 50, OT 80, hfr, labelling field, light grey. Frame panel for parapet duct, modularly alignable at a combination distance of 71 mm, cut-concealing to the upper section of the duct. For accommodating central plates, covers, rockers or adapter frames from installation switch ranges measuring 50 x 50 mm. Adapted to the outer contour of the parapet duct to reduce dirt deposits and 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 panel for parapet duct using an optional intermediate piece. Integrated labelling field for mounting on the installation device or the device box, compatible with 9 mm labelling tapes.