Outdoor rated with cord lock feature to prevent cords from being accidentally disconnected. Cord lock accommodates 16/3 - 10/3 SJT (300V) cords up to 12/3ST (600V) cords. Ideal for outdoor lighting projects such as holiday decorations. Connect extension cords together for long power runs and add additional outlets for power tools and equipment at the connection point. Outdoor rated. Durable, overmolded vinyl jacket. Yellow.