Suitable for surface mounting and installation in cable ducts or floor tanks. Can be combined with covers from various switch program manufacturers when using an AMJ45 box without a central plate. Up to three boxes can fit into one floor tank device casing. Cable feed from eight possible directions in 45° steps and pluggable earth connection at all four corners. Optional horizontal and vertical installation in the parapet trunking due to variable cable entry. Designed with low installation depth, allowing trouble-free installation in the floor tank due to lateral cable routing inside the device casing. Fully shielded metal housing. Surface mounting requires a surface mounting frame set. Flush mounting requires a single cover frame or a double cover frame. The universal device mounting bracket enables an assembly-friendly and space-saving installation of the junction boxes in a parapet trunking system. Suitable for trunking systems from various manufacturers such as Ackermann, Jung, Rehau, and Tehalit.