For the installation of devices in insulated facades of buildings from an insulation layer thickness of 80 mm. The box is suitable for facade polystyrenes and mineral wool. The box can also be mounted in finally made insulated facades. The package includes a manual drilling, box carrier, wiring box, assembly instructions and appropriate screws. To install more boxes, it is possible to order one KEFZ 80/VDZ set and hereinafter just KEFZ 80. Robust construction.