Device and method for erecting temporary cable

The invention relates to a device and method for erecting a temporary cable. The device comprises an anchoring grounding rod, a triangular bracket, an adjustable vertical column and a top bracket. Thebottom of the anchoring grounding rod is sharpened, and the top of the anchoring grounding rod is detachably connected with the adjustable vertical column. The top of the triangular bracket is provided with a sliding sleeve. The sliding sleeve slidably sleeves the outer side of the adjustable vertical column, and can be locked and fixed by a locking mechanism. The top of the adjustable vertical column is detachably connected with the top bracket. The top bracket is provided with multiple cable troughs. The bottoms of the cable troughs are provided with insulating rubber pads. The main bodiesof the anchoring grounding rod, the triangular bracket, the adjustable vertical column and the top bracket are all made of metal members. The device adopts a fixed form in which the anchoring grounding rod and the triangular b