Surface-mounted frame 2-way surface-mounted, accessories made of stainless steel, painted - with cable and duct entry - entry possible at the top, bottom and 2 x per side - for vertical and horizontal installation - installation depth 33.5 mm With the surface-mounted frame, flush-mounted devices can be used for surface-mounted installation. For suitable pipe entries and replacements for cable and duct entries, see the surface-mounted range. For self-extinguishing base plate, see accessories.