Patent ID: 7758371

Claim:
An electrical cord locking connector comprising: first and second electrical cords, each having a pair of current-carrying conductors and a grounding conductor, said first cord having an end provided with a plug having at least three spaced prongs, a first and a second of said prongs being respectively connected to said pair of current-carrying conductors, and a third of said prongs being connected to the grounding conductor, said second cord having an end provided with a socket having at least three openings therein for exclusively receiving corresponding prongs of said first cord, said socket having an outwardly projecting shoulder disposed for engagement by said third prong to prevent insertion of said first and second prongs into said socket to thereby prevent improper mating of said prongs and openings, and said plug having a releasable latch member projecting therefrom and engaging said shoulder when the plug and socket are properly mated to prevent separation of the plug and socket during use of the cords.