Housing fixed to a wall for installation of electric components, in particular, in tunnels carrying high-speed traffic has a fire resistant, self-extinguishing structure

摘要

The housing fixed to a wall for installation of electric components, in particular, in tunnels carrying high-speed traffic has a fire resistant, self-extinguishing structure, is separated from the wall by a minimum gap, and is supplied with energy preferably from below via connector elements with double membrane protection.