Cabinets that are air-conditioned, earthquake, vandalism, and explosion proof, namely, switchgear cabinets made of metal and plastic, composed of racks, housings and consoles, preferably for the electronics, computer and communication industry, and for electronics, computers and communications transmission, and which may be used in conjunction with support art systems; cabinet component supports, namely, shelves, racks, housings and consoles for pluggable components with electronic circuits; signal devices and housing components therefor, namely visual and audible signal devices that emit sound and light for the monitoring and security of switchgear cabinets; electric current distribution components, namely, connection and distribution adapters, and load breakers; devices for monitoring gas lines, namely gas pressure regulating stations composed of regulation and housing components in the nature of consoles, panel enclosures, operator enclosures, junction boxes, keyboard enclosures, cabinets, splice boxes and termination cabinets; wiring aids, namely cable catcher rails, cable inserts, clamps made of metal and non-metallic materials, electrical contacts, current conductors, circuit closers, and labeling strips sold as a unit; switchgear cabinet mounting devices and mounting aids, namely mounting plates, frames for construction purposes, shelf bottoms, rails, bulkhead and separating walls sold as a unit with cabinets; and power supplies, namely current network elements composed of frames and cabinets, electrical sockets, connecting and bow strips; and inserts for component supports, namely insert cards, bus plates, and plug connectors