The utility model discloses a jib for electrical construction relates to the electrical equipment field, and this jib for electrical construction can rotate spiral shell rasp bar earlier in the screwed pipe when using to adjust the distance of supporting disk and bracket, then inside putting into the bracket with the electric wire of electric wiring, the insulating lining pad can ensure the insulating nature of electric wire. The workman can utilize the sucking disc to adsorb the ceiling, perhaps catches on the object of eminence with the lifting hook, temporarily fixes the electric wire in the suitable position of eminence, has installed behind the gold utensil fixed line again, makes electrical construction safer and high -efficient.