For the secure attachment of lights, presence and smoke detectors as well as junction boxes on all common cable routes with long holes with a sheet thickness of 0.5 to 1.1 mm. The attachment can be easily connected to the UBK and attached to a long hole in the cable route. It can be mounted on the side or on the underside of the cable route. The UBK offers an ideal solution for the simple and quick use of the existing cable route as an installation location.