Patent ID: 7147500

Claim:
A resilient plug having a main body with opposite front and rear ends, a wire insertion hole penetrating the main body from the front end to the rear end along a longitudinal center, a wire introducing opening formed at the rear end of the main body and having an inner diameter, the wire introducing opening communicating with the wire insertion hole for inserting a wire into the wire insertion hole, a tapered portion adjacent the front end and being narrowed towards the front end to define a minimum outside diameter that is less than the inner diameter of the wire introducing opening at the rear end of the main body, a plurality of protrusions projecting out from the tapered portion to the front end of the main body and being circumferentially spaced at substantially even intervals, the front end of the main body at the protrusions defining a maximum outer diameter that exceeds the inner diameter of the wire introducing opening, and a substantially cylindrical or forwardly tapered fastening portion formed on an outer circumferential surface of the main body rearward of the tapered portion and dimensioned to be fastened to an insulation barrel of a terminal fitting.