APPARATUS FOR RECORDING, STORING, TRANSMISSION, RECEIVING OR REPRODUCING OF DATA, SOUND, IMAGES AND/OR VIDEO, NAMELY, BASE STATIONS, BASE STATION CONTROLLERS, DIRECTIONAL ANTENNAS, MICROWAVE RADIOS, TELEPHONE EXCHANGES, TRANSMISSION EQUIPMENT FOR USE IN COMMUNICATIONS, ACCESS NODES, ALSO KNOWN AS CONCENTRATORS LOCATED REMOTELY FROM THE LOCAL TELEPHONE SWITCH, SWITCHING APPARATUS FOR TELECOMMUNICATION PURPOSES, NAMELY, CIRCUIT BREAKERS, DISCONNECTORS, GAS AND AIR INSULATED SWITCHGEAR, REVERSIN...