Renu in a snap Renu is the smart new line of decorative electrical products from Leviton. Install Renu and get a fresh stylish look, plus the ability to change the color of any Renu device when you update a room. The Renu line includes switches, outlets, GFCI outlets, dimmers, and sleek, screwless wallplates available in 20 designer colors. The RER20 20 A tamper-resistant outlet has built-in shutters to help prevent access by most foreign objects. Shallow in size, it is self-grounded and back and side wired for fast, easy installation. The terminals are designed to withstand high torque and resist wire pullout. Use only with Renu wallplates. When installed in a properly grounded metal wallbox.