Patent ID: 8734168

Claim:
A safety plug adapter, comprising: a cover defining a first group of slots on a top surface thereof and a second group of slots on a side surface, said first group of slots including a live slot, a neutral slot, and a ground slot, said second group of slots including a live slot and a neutral slot; a base plate mated with said cover to form a housing; a conductive terminal block mounted in said cover and including a grounding terminal corresponding to said ground slot of said first group of slots; a first sliding assembly mounted in said cover, corresponding to said first group of slots, above said conductive terminal block; a second sliding assembly mounted in said cover, corresponding to said second group of slots, beside said conductive terminal block; two first conductive pins pivotally mounted at said base plate; two second conductive pins movably mounted at said base plate opposite to said first conductive pins; two auxiliary elements provided at said base plate for being selectively combined with said first conductive pins to increase their cross dimensions; a grounding portion formed on said cover in addition to said ground slot of said first group of slots, said ground portion being electrically connected to said grounding terminal of said conductive terminal block; a grounding terminal block mounted at said base plate and defining a plurality of attachment holes, said grounding terminal block being electrically connected to said grounding terminal of said conductive terminal block; an attachable conductive pin selectively mounted to one of said attachment holes of said grounding terminal block to be served as a ground pin; whereby said first group of slots or said second group of slots can be inserted by a plug of an electrical device, whereas said first conductive pins or said second conducive pins can insert into a socket with a selective cooperation of said attachable ground pin, to achieve an electrical connection between the electrical device and the socket.