A connector includes a fixed contact, a movable contact provided on one end of a movable plate, a connection terminal to be connected to another connection terminal of another connector, the connection terminal being connected to the fixed contact or the movable contact, a card provided in contact with the movable plate, a button provided in contact with the card, and a slide provided in contact with the button. With the connection terminal being in contact with the other connection terminal, the slide is contacted and pressed by a part of the other connector to slide to move the button, and the movable plate is moved by the movement of the button via the card so that the movable contact moves into contact with the fixed contact.