PURPOSE: A foldable receptacle is provided to stably couple a plug of a different shape by bending each socket at a necessary angle. CONSTITUTION: A hinge shaft(3) is mutually rotated in both lower ends of a socket(2). The hinge shaft is inserted with each other. The hinge shaft is axially connected with a hinge socket(4). The hinge shaft is inserted into a pair of insertion holes(8) of the hinge socket. The insertion holes are closely located or separated in insertion grooves(9) arranged inside the lower end of the socket.
