<p>A storage device for a cable includes: a holder including a socket connected to a power source side; a reel attached to the holder so as to be attachable thereto and detachable therefrom and including a rotary drum to take up the cable; a socket provided on the reel and fitted with the socket of the holder when the reel is attached to the holder; and an elastically-deformable elastic member that is provided on at least one member of the holder and the reel and presses the socket of the one member to the side of the socket of the other member.</p>
