Low -voltage tapping box cable grounding device

The utility model discloses a low -voltage tapping box cable grounding device, the power distribution box comprises a box body, the through wires hole has all been seted up to the top and the bottom of box, female the arranging of inner wall fixedly connected with of box, female positive fixedly connected with mount pad of arranging, first screw hole has been seted up on the surface of mount pad,the inner chamber of first screw hole is provided with first spiral shell rasp bar, one side fixedly connected with second spiral shell rasp bar of first spiral shell rasp bar is kept away from to first spiral shell rasp bar's one end and lie in the outside fixedly connected with contact plate of first screw hole, contact plate, and a pot head that second spiral shell rasp bar kept away from the contact plate is equipped with the rotary sleeve, and the second screw hole with second spiral shell rasp bar looks adaptation is offered to one side that the rotary sleeve is close to the contact plate. The utility model disc