The Square D X Series 15A Single-Pole Switch Module with side wire clamps (with black rocker cover plate) allows you to swap out faceplates quickly and easily without removing the switch and rewiring. The rated operational voltage of this switch is 120V and 277V. Its unique patented switch module is designed to support the swap out of the color rocker cover plate that easily snaps into place for a modern, flush facing finish to your walls. Its matching mounting box can be recessed into the surface of the wall for flush mounting. This device is compatible with the rocker plate, so that the personalization of your interior design with many styles of décor is possible. It supports upgrading the color or design of the switch after initial installation without removing the switch from the wall. Its Ue rated operational voltage is 120VAC. Its Ie rated operational current is 15A. The connection is screw terminals.