Flush-mounted double box 8 holes without screw. Flush-mounted partition wall box. The flush-mounted box DUPLEX is suitable for the opposite installation of flush-mounted boxes in walls from 100 mm. Usable box depth is 49 mm. Continuous assembly in one step, without complicated installation from two sides. Saves time and creates more wiring space. Depth: 100 mm. Material: PS-HI. Suitable for wall thickness: less than 100 mm. Rated voltage: 400V. DIN EN 60670-1 (VDE 0606-1). DIN EN 60670-22 (VDE 0606-22). Glow wire tested: 650°C. Ambient temperature: -25°C to 40°C.