Sockets with screw terminals
— a screw connection involves fixing each wire with a special plate, which is pressed against the bare part of the wire under the action of screwing in a bolt (screw). This type of connection, although considered obsolete, is still often used even by manufacturers of advanced electrical accessories. The screw-type clamp allows you to control the clamping force of the wiring, but due to temperature instability, the threaded connections of the electrocontact group are subject to self-unwinding.
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