Electric outlets

An electric outlet comprising:

• a socket holder, said socket holder including an electrically insulative bottom shell, an electrically insulative top cover shell covered on said bottom shell, said top cover shell having at least one socket receiving hole;
• a plurality of metal terminal holders respectively installed in said bottom shell for connection to a power supply;
• at least one socket respectively installed in said at least one socket receiving hole on said top cover shell, said at least one socket including a socket body, said socket body including (a) a face panel horizontally disposed at a top side thereof for receiving an electric plug, (b) spring hooks formed integral with two opposite lateral side walls thereof for positioning said socket body in one socket receiving hole on said top cover shell, (c) three through holes on a bottom side wall thereof, (d) a positive terminal metal contact plate and a negative terminal metal contact plate and a grounding metal contact plate respectively mounted inside said socket body and directed toward respective plug insertion slots formed in said face panel, (e) a plurality of metal frames mounted inside said socket body and respectively connected to said positive and negative terminal metal contact plates and said grounding metal contact plate, said metal frames each having formed therein a horizontal wire hole and a vertical screw hole extending perpendicularly downwardly from said horizontal wire hole and each being respectively disposed in communication with said through holes in said side wall of said socket body, and (f) three metal terminals respectively threaded into said vertical screw holes of said metal frames and connected to said plurality of metal terminal holders, each of said metal terminals of said at least one socket having a threaded portion at a top end thereof threaded into said vertical screw hole of a respective one of said metal frames and a slotted bottom end portion extending out from said bottom side wall of said socket.