The utility model discloses a multifunctional operating arm, including finely tuning the insulator spindle and connecting the extra long insulator spindle at fine setting insulator spindle downside, be connected with the switching operation head on the fine setting insulator spindle or be connected with manual locking formula dop through the connecting piece, the fine setting insulator spindle includes first insulation pole body, and the upper portion of first insulation pole body is provided with the screw hole, and the switching operation head includes with screw hole complex fine setting bolt and is connected the operating head body on fine setting bolt upper portion, and the connecting piece includes with screw hole complex fine setting bolt and is connected at the tip draw -in grooveof finely tuning bolt upper portion, be provided with in the tip draw -in groove can with the strong magnet of actuation bottom the manual locking formula dop, the bottom of first insulation pole bodyis a tail portion thread. The utility model discloses the wiring end of avoiding effectively that causes because of the dead weight of external wind -force and the body of rod slides, has eliminatedthe potential safety hazard.