Equipotential connecting pipe fitting

The utility model discloses an equipotential connecting pipe fitting. In order to solve the technical problems of complex construction, high technical difficulty, high possibility of generating high connection resistance and the like caused by the fact that a camera obscura needs to be installed on a wall body and a metal piece is exposed outside in equipotential connection, the utility model provides an equipotential connection pipe fitting which is stable in structure and higher in safety, and a metal embedded piece is completely wrapped by a pipe fitting main body. The embedded part is stably connected with the pipe fitting main body through the convex ring, the boss and the limiting block; the limiting block on the embedded part is provided with the mounting hole of the electric wire, the wiring terminal is fixed on the embedded part through the connecting piece to achieve the effect of connecting the electric wire with the metal embedded part, the wiring terminal can protect the equipotential electric wi