The invention provides an electrified installation tool for an electricity testing grounding ring. The tool comprises an insulating operating rod, a lead screw for driving and a connecting piece usedfor fixedly connecting the insulating operating rod with the screw rod. The tool is characterized by comprising a body used as a mounting foundation, a supporting piece which is fixedly arranged on the body and used for supporting the electricity testing grounding ring when used, a clamping assembly which is arranged on the body and used for clamping the electricity testing grounding ring when used, and a pushing piece which is arranged in the body, is in transmission connection with the lead screw and is used for driving the clamping assembly to act, wherein the lead screw is in threaded connection with the body. The tool is advantaged in that when the tool is used, the electricity testing grounding ring can be firmly and reliably fixed to an upper end of the tool, the electricity testinggrounding ring cannot shake or fall off in the operation process, safety is good, moreover, the electricity testing grounding ring and an insulated wire are sleeved conveniently and quickly, the timeand labor are saved, and work efficiency is improved.