Connecting device of grounding wire

The invention discloses a grounding wire connecting device comprising a tubular body which comprises a first connecting plate and a second connecting plate which are arranged face to face in the height direction, and a third connecting plate and a fourth connecting plate which are connected with the first connecting plate and the second connecting plate, the first connecting plate, the second connecting plate, the third connecting plate and the fourth connecting plate define a first opening and a second opening, the first connecting plate is provided with a first through hole and a second through hole, the third connecting plate is provided with a third through hole, and the third through hole is communicated with the second through hole. The ground wire connecting device solves the problem that when an operator installs a ground wire, the ground wire is difficult to connect with the ground wire connecting device, the ground wire is convenient to install, the labor intensity of the operator is reduced, and th