The mounting box has 2 fixed inlets with locking devices for Ø 20 conduits. A separate inlet can be attached to the side opposite the fixed inlets. The bottom of the box has two inlets. Inlets cannot be attached to the sides of the box, but the sides can be used to connect boxes with each other using a PMR474 interconnector, which is cut at the bottom level of the box. The height of the box is 38 mm, and some high defices might not fit into the box. 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).