Cabinets, in particular switchgear cabinets made of metal and plastic, racks, housings and consoles, preferably for the industry, electronics, computers and communications transmission, also in connection with support systems, also air-conditioned and/or earthquake - and/or vandalism - and/or explosion proof; component supports for pluggable components with electronic circuits; air-conditioning apparatus, in particular cooling devices, heat exchangers, filter ventilators, heaters, in particular for switchgear cabinets; signal devices for the monitoring of cabinets, in particular switchgear cabinets; current distribution components, in particular connection and device adapters as well as load breakers; devices for monitoring gas lines, namely gas pressure regulating stations, regulating and security accessories for gas apparatus; closure devices made of metal or plastic, namely bolts for doors, locks, fastening devices made of metal or plastic, namely angled supports, mast fastenings; placement and movement devices made of plastic or metal, namely bases, rollers, feet; mounting devices and mounting aids, namely mounting plates, frames for construction purposes, shelf bottoms, rails, bulkhead and separating walls; wiring aids, namely cable catcher rails, cable inserts, clamps made of metal and non-metallic materials, electrical contacts, current conductors, circuit closers, labeling strips; power supplies, namely current network elements, electrical sockets, connecting and bow strips; inserts for component supports, namely insert cards, bus plates, cassettes, plug connectors; actualization, preparation and leasing of program for data processing