A contact point unit used in a power feed socket supplying power to a plug of an electrical product by inserting the plug into a case comprising: a first housing part made of resin; a second housing part made of resin that the first housing part overlaps to form a housing; a first terminal that extends outside of the housing through a bottom wall of the second housing part from the inside of the housing; a fuse comprising an elastic conductive plate and a fuse body that overlaps over the elastic conductive plate and is melted with overheating, the fuse being disposed in the housing in such a manner that a section of the elastic conductive plate different from an overlapping portion thereof with the fuse body is supported to an upper position separated from the first terminal; and a first contact point that is disposed on the fuse and is pressed from the first housing part; wherein the first housing part is provided with a window for exposing the first contact point in such a manner that an electrode of the plug is contactable with the first contact point, in a coupling state between the first housing part and the second housing part, the first contact point presses the fuse body to elastically deform the elastic conductive plate, which makes contact with the first contact point and the first terminal, thereby causing conduction between the first contact point and the first terminal, when the fuse body is melted, the elastic conductive plate is elastically restored to be away from the first terminal, thus causing non-conduction between the first contact point and the first terminal, the first housing part comprises an upper wall on which the first contact point is seated, and a plurality of connecting walls extending from an outer peripheral edge of the upper wall to the second housing part, the window is formed in the upper wall, the second housing part is formed in the bottomed cylindrical shape, of which a side wall is provided with an accommodation groove that accommodates the connecting wall therein, a dropout stopper is provided between the connecting wall and the accommodation groove, an outer peripheral shape of the housing matches a transverse section of the case, whereby the first terminal is formed in an L-letter shape and includes a connector plug portion and a horizontal portion, wherein the connector plug portion penetrates through a through slit provided in the bottom wall of the second housing part, and the horizontal portion is provided on and along the bottom wall. a first housing part made of resin; a second housing part made of resin that the first housing part overlaps to form a housing; a first terminal that extends outside of the housing through a bottom wall of the second housing part from the inside of the housing; a fuse comprising an elastic conductive plate and a fuse body that overlaps over the elastic conductive plate and is melted with overheating, the fuse being disposed in the housing in such a manner that a section of the elastic conductive plate different from an overlapping portion thereof with the fuse body is supported to an upper position separated from the first terminal; and a first contact point that is disposed on the fuse and is pressed from the first housing part; wherein the first housing part is provided with a window for exposing the first contact point in such a manner that an electrode of the plug is contactable with the first contact point, in a coupling state between the first housing part and the second housing part, the first contact point presses the fuse body to elastically deform the elastic conductive plate, which makes contact with the first contact point and the first terminal, thereby causing conduction between the first contact point and the first terminal, when the fuse body is melted, the elastic conductive plate is elastically restored to be away from the first terminal, thus causing non-conduction between the first contact point and the first terminal, the first housing part comprises an upper wall on which the first contact point is seated, and a plurality of connecting walls extending from an outer peripheral edge of the upper wall to the second housing part, the window is formed in the upper wall, the second housing part is formed in the bottomed cylindrical shape, of which a side wall is provided with an accommodation groove that accommodates the connecting wall therein, a dropout stopper is provided between the connecting wall and the accommodation groove, an outer peripheral shape of the housing matches a transverse section of the case, whereby the first terminal is formed in an L-letter shape and includes a connector plug portion and a horizontal portion, wherein the connector plug portion penetrates through a through slit provided in the bottom wall of the second housing part, and the horizontal portion is provided on and along the bottom wall.