Patent ID: 7824195

Claim:
A dual-mode electrical plug, comprising: an insulating body formed with a channel that opens at a front end of said insulating body, and with an elongate guiding aperture disposed along a length of said channel and providing access to said channel from outside of said insulating body; a pair of conductive components disposed on said insulating body and extending outwardly of said front end of said insulating body; a ground prong including a hollow prong body disposed in said channel and movable in said channel between an extended position, in which said prong body extends outwardly of said front end of said insulating body, and a retracted position, in which said prong body is received in said insulating body, said prong body defining a wire containing space opening toward a rear end of said insulating body, and an operating part disposed on an outer surface of said prong body, extending outwardly of said insulating body through said elongate guiding aperture, and movable in said elongate guiding aperture so as to drive movement of said prong body between the extended position and the retracted position; and a ground wire extending into said wire containing space and including a connecting end for connecting electrically to an inner surface of said prong body, a length of said ground wire being stowed in said wire containing space when said prong body is at the retracted position.