The utility model relates to a false wiring prevention device used when a terminal strip and an auxiliary switch are replaced, in particular to a rapid wire dismounting device. The device comprises adevice body and a wire fastener, a device base is arranged on the rear portion of the device body, a plurality of ribbon grooves parallel to one another are evenly formed in the device base, and fastening ribbons extending out of the device body are fixed in the ribbon grooves; an LED panel lamp is arranged on the inner side of the upper surface of the device body; a ribbon insertion hole matchedwith the fastening ribbon is formed in the wire fastener; a ribbon elastic band is arranged on one side in the ribbon jack, and a strainer matched with the ribbon elastic band is arranged on an upperpanel of the wire fastener. A cable tie tightness switch is arranged outside the cable tie insertion hole in the rightmost side of the wire fastener; and a corresponding digital display is arranged beside each ribbon jack, and an adjusting button matched with the digital display is arranged at the lower part of the digital display. The device is reasonable in design, simple and easy to operate.