Installation housing, for in-situ concrete or prefabricated construction, for the installation of NV/HV/LED lights and loudspeakers, suitable for adhesive fastening and counter formwork, for installation in ceilings from 140mm, wall installation with IBT support beam technology, for the installation of tested lights in accordance with DIN EN 60598 (VDE 0711), as well as with F marking or MM marking, with additional connection space (e.g. for the installation of a safety transformer up to max. 150 VA), with protection class IP30, rated insulation voltage: 400V AC, halogen-free, outlet opening selectable: Fermacell(R) plate, variable up to Ø 100mm. For the installation of tested lights according to DIN EN 60598 (VDE 0711), as well as with F marking or MM marking, maximum installation height NV lights: 75mm, HV lights: 80mm, halogen lamp power max. 50 W, LED lamp power max. 20 W, membrane for perforation, sealing range M16-M32Dimensions: 306 x 150 x 106mm