Universal mounting box, for precast element constructions, halogen-free, for installation of LV/HV/LED-Luminaires and speakers, announcement and call systems, suitable for adhesive fixing, for the installation of VDE-tested luminaires in accordance with DIN EN 60598 (VDE 0711), and with F-identification or MM-identification, maximum installation depth for luminaires, speakers, announcement and call systems: 100mm, lamp output, LED max. 15 W, lamp output halogen max. 25 W, additional inserts 2 x to M40, outlet aperture: Fermacell(R) plasterboard, Variable up to max. 100 x 100mm, 8 combi-conduit entry points 4 x M20, 4 x M25 integrated conduit stopper and strain relief for conduits M20, M25