Device used for testing electricity and disassembling and assembling ground wire

The utility model discloses a device used for testing electricity and disassembling and assembling a ground wire, comprising a connecting pipe; wherein a lower end of the connecting pipe is fixed on a connecting seat with an internal screw thread, a pipe wall of the connecting pipe is uniformly provided with a U-shaped long groove from top to bottom, a fastening adjusting device is sleeved outside the connecting pipe corresponding to the U-shaped long groove, the fastening adjusting device is a ring-shaped hoop, the ring-shaped hoop consists of two half rings, and the two half rings are connected through adjusting bolts. The device of the utility model has the advantages that: the device is connected with an insulating operating rod used for electric power maintenance through the internal screw thread on the connecting seat, an electricity testing device or a device used for assembling and disassembling the ground wire is arranged in the connecting pipe of the device, then positioning is performed through the