Small housing

A small housing having a lower housing element, a housing cover and two front plates, wherein the lower housing element and the housing cover are embodied as sections of extruded profiles of a U-shaped cross section. The front plates close off the open front faces of the assembled housing, and the lower housing element is connected with the housing cover. The lower housing element has attachment elements for placing the small housing on an attachment surface. A simplified attachment of the small housing on a attachment surface is achieved with longitudinally oriented and undercut attachment strips formed on the exteriors of the lateral walls of the lower housing element. Attachment clamps, which are U-shaped in cross section and which have an undercut receptacle for the attachment strip can be fixed on the attachment strips. Lateral legs of the attachment clamp which delimit the receptacle are provided outside of the received attachment strip with attachment receptacles, for an attachment screw, which are aligned with each other.