Lightning arrester live test multifunctional switching device

The invention relates to a lightning arrester live test multifunctional switching device, which belongs to the technical field of electrical measuring devices. The device comprises a testing part, a grounding part and a connecting part. The testing part comprises a plug, a first lead and a second lead. The plug is connected with a live tester. The grounding part comprises a grounding wire clamp. The grounding wire clamp is connected with the first lead. The connecting part comprises a conductor rod and an insulating handle. The conductor rod is connected with the second lead. The first end ofthe conductor rod is connected with a lightning arrester. The second end is connected with the insulating handle. The first end of the conductor rod is provided with an endoscope. According to the invention, the problems that the test joint of the existing switching device does not match the test part of the lightning arrester and the test part is difficultly observed at the time of touching are solved; the wiring time is