Distribution box fault detection device

The invention discloses a distribution box fault detection device, and belongs to the technical field of distribution boxes, the distribution box fault detection device comprises a main shell, a conductive rod, a measuring rod mechanism and a conductive band assembly, the end face of the main shell is provided with a plurality of connecting holes, the conductive rod is slidably assembled in the connecting holes, the conductive rod and the measuring rod mechanism comprise rotating rods, the rotating rods are assembled in the main shell, and the conductive band assembly is arranged in the main shell. The power distribution box comprises a main shell and a conductive band assembly, the main shell is internally provided with a plurality of power switches, electrode plates are assembled at the two ends of the conductive band assembly, the conductive band assembly comprises a base band and a conductive membrane, the base band is fixedly assembled on the inner wall of the main shell, the conductive membrane is assem