Abstract: A device support comprises a cabinet frame that is formed by metal hollow profiles (11) and that has at least in one of its corners a parallelepiped corner connector element (30) connected to at least one of the hollow profiles (11) by means of a screw. At least one outside face of the corner connector element (30) is configured as a securing face which has a guiding shoulder (34) with at least two parallel outer edges (34.1), resting on inner peripheral surfaces of the hollow profile (11). The hollow profiles (11) have a closed cross-section. A throughbore runs from every securing face for receiving the screw shank and continues, starting from a support shoulder in the interior of the corner connection element (30), along a passage recess (32) which extends to an outside face of the corner connector element opposite the securing face.