The utility model relates to an electric power facility field discloses a live working is with insulating junction box very much. It includes upper end open -ended insulation box body, it has the opening to open downwards from the upper end on two relative sides of insulation box body, is equipped with insulating clip in opening department, is equipped with manual hydraulic tong in other two sides any, manual hydraulic tong's binding clip is located insulation box body. The utility model discloses owing to set up insulating case and insulating clip for live -line line is fixed in insulating case in the work progress, does not have the danger of live -line line landing, so greatly increased live working's security.