<p>An object of the present invention is to prevent water from staying on the rear end surface of a one-piece rubber plug. A connector X includes a housing 10 formed with a plurality of terminal accommodating chambers 14, an accommodating recess 11 formed by recessing the rear end surface of the housing 10 and communicating with the rear ends of the terminal accommodating chambers 14, and a one-piece rubber plug 20 including a plurality of wire insertion holes 22 corresponding to the terminal accommodating chambers 14 and accommodated in the accommodating recess 11. The one-piece rubber plug 20 is formed with drainage paths 23 reaching from the rear end surface to the outer peripheral edge thereof.</p>
