The utility model discloses a high -altitude wiring device, get mechanism and electronic mast including base, the clamp of setting on the base, inlay the direct current sucking disc formula that is equipped with electro -magnet respectively with the top of electronic mast on the base, press from both sides and to get the mechanism and include that two arm lock and two pairs are used for driving two arm lock respectively and press from both sides tightly and loosen the four bar mechanism of action. The utility model discloses when using, get the mechanism through electronic mast with the clamp of base on and rise to required height, then only need make and produce relative the rotation between first connecting rod and the supporting shoe, four bar mechanism produces the motion immediately, and the arm lock is as one of them connecting rods of four connecting rods, its position changes to realize pressing from both sides tightly and loosen the action, press from both sides and get the wire.