Duct made of e.g. steel sheet for accommodating electrical installation units - has lid type upper part permitting detachment and units for attaining potential equalisation between duct parts

摘要

Parts of the lid type upper part(11) of the ducting(10), are themselves designed as component of the potential equalising unit. The lid type upper part(11) of the ducting(10) have one or more connection lugs for the plugging on of a flat plug. Each connection lug is formed by cutting free regions of the side wall of the lid type upper part(11) of the ducting(10), on three sides, and by bending of the tongue cut free from this region of the side wall. Each connection lug in plan view is seen as an approximately rectangular plate shaped body, which at its narrow side is connected with the side wall of the upper part(11) across a connecting section and its longer side walls are separated by recesses from the limiting walls of the side wall. USE/ADVANTAGE - Metal ducting for accommodating electrical installation units. Auxiliary units such as clamps and screws for connecting components electrically conducting can be dispensed with, with prodn. still economic.