Wire Harness and Method of Installation Thereof

A wire harness (11) includes a cable (21) and a clamp. The cable has an end portion at which a connection terminal is provided. The connection terminal is electrically connected to a connecting portion. The clamp (41) is attached with the cable so as to be movable with respect to the cable in a direction in which the cable extends. The clamp (41) is fixed to a fixing portion disposed adjacent to the connecting portion in a state that the connection terminal is electrically connected to the connecting portion.