An embodiment of the present invention provides an electromagnetic inductive power supply apparatus comprising: an upper housing disposed on the upper side of a lower housing and having an elevating guide; a base disposed above the upper housing; a pressing support disposed on the lower side of the base part and having a guide bar which is coupled to the elevating guide so as to move up and down while being guided by the elevating guide, and one end of which is fastened to the lower housing; a lower core installed in the lower housing; and an upper core installed in the upper housing and forming a magnetic circuit inner space through which a line passes when the upper core is connected to the lower core.