Capacitor rubber plug

The utility model provides a capacitor rubber plug, and belongs to the technical field of capacitor accessories. The problem that an existing capacitor lead is prone to being broken and abraded is solved. The capacitor rubber plug comprises a rubber plug main body, the rubber plug body is provided with a lead hole for a lead to penetrate through. The upper end, located on the inner circumferential wall of the lead hole, of the lead hole is provided with an extending part which extends inwards in the radial direction and is used for limiting the lead position. A first conical hole inclining from outside to inside is formed in the lower end, located on the inner circumferential wall of the lead hole, of the lead hole. A wear-resistant sleeve clung to the through hole in the inner circumferential wall of the lead hole is arranged in the lead hole; the lower end face of the wear-resisting sleeve is flush with the upper end face of the first conical hole, a through hole allowing a lead to penetrate through is vert