Designed for use in homes, apartments, and mobile homes. PVC body resists moisture and chemicals, suitable for outdoor cords. Husk and module keyed for easy alignment during wiring. Uniquely dimpled body design provides secure finger grip.Triple drive screws, built-in cord grip adjusts automatically for use with 18-3 SVT to 12-3 SO cable. 15A/125V. UL (Underwriter's Laboratories) listed.