The Square D X Series 20 A single pole switch module with back wire clamps allows you to swap out faceplates quickly and easily without removing the switch and rewiring. Its unique patented switch module is designed to support the swap out of color rocker plate cover plate (not provided) that easily snaps into place for a modern, flush-facing finish to your walls. Enjoy a consistent look in your room or home with the full line of Square D X Series switches, dimmers, sensors, and receptacles. X Series 20 A single pole switch module (requires rocker cover plate) Single pole switch without the rocker plate allows for use during rough in phase Patented design supports the swap out of color rocker plate or XD Series cover plate Requires separate purchase of rocker plate or XD switch cover plate Environmental performance of the product