Tool used for installing and turning on current transformer in live-line manner

The utility model relates to the electric power system field, in particular to a tool used for installing and turning on a current transformer in a live-line manner. The tool used for installing and turning on the current transformer in the live-line manner comprises an insulating rod and a support used for buckling the current transformer. The support is arranged at the end part of the insulating rod and comprises a U-shaped frame and a side frame, the side frame is arranged at the side of the U-shaped frame to form a semi-closed structure, a semi-circular groove is arranged in the middle of the side frame, and the U-shaped frame is equipped with a plurality of strip-like grooves. By the above structure, the current transformer can be fixedly installed on the live-line condition.