The device offers the AU3.2 mounting box modified with a 28 mm deep extension ring for use in walls built of bricks that have pipe ducts. No branch inlets are required at the bottom of the box - straight access makes wire laying easier. There is no need to bend the conduits. Made of halogen free material (IEC/61249-2-21) and fulfills the requirements of the glow wire test according to the standard IEC/EN60670: 2005 (850 °C).