The Leviton 2451 EB PLUG LOCK 4PO 4WI P19-20P is an electrical plug lock designed to secure connections while supporting various cord sizes. It features one-piece contacts that reduce friction and overheating for enhanced safety and durability. The unique cord clamp accommodates a wide range of cord sizes, increasing compatibility for different setups. Constructed from rugged nylon, this product resists impact, sunlight, chemicals, and rough use, ensuring long-lasting performance in demanding environments.