Square floor socket for use in wet-cleaned hollow floors and screed floors indoors. Cable outlet via height-adjustable tube. Installation housing with pre-stamped inlet openings for pipes (M20/M25). Upper part adjustable to the upper edge of the floor covering using 4 leveling supports. The minimum installation depth is 110 mm, the leveling range + 25 mm. The load capacity of 15 kN is only guaranteed when not in use.