Wardrobe or distribution box of the electrical installation of buildings

摘要

Cabinet or distribution box of the electrical installation of buildings, with a support chassis (2), comprising main support rails (3) arranged parallel to the rear wall (4) of the cabinet or box and in parallel and at a distance of the others and at least one device support rail (5) parallel to the rear wall (4) of the cabinet or box and perpendicular to the main support rails (5), the device support rail can be connected ( 5) at their ends respectively by means of a connection piece (6) with one of the main support rails (3), and the connection piece (6) allowing a connection of the device support rail (5) with the main support (3) at different distances from the rear wall (4) of the cabinet or box, being made in several parts with a main part (9) that can be connected to the main support rail (3) and a piece of extension (10) that can be connected to the ri the device support (5) and the extension piece (10) can be connected with positive adjustment to the main part (9) by insertion into a bead guide (11), parallel to the rear wall (4) of the cabinet or the box, characterized / characterized in that the extension piece (10) can be inserted into the bead guide (11) perpendicularly with respect to the main support rail (3) from the outer side of the main support rail (3) not oriented towards the rail apparatus support (5), using a free space that extends on the outer side along the main support rail.