The Leviton 4570-B is a plug lock designed for secure electrical connections. It features one-piece contacts that reduce friction and overheating, enhancing safety and durability. The unique cord clamp accommodates a wide range of cord sizes, offering versatility for various applications. Constructed from rugged nylon, this plug lock resists impact, sunlight, chemicals, and rough use, ensuring long-lasting performance in demanding environments. Ideal for securing electrical connections where reliability and durability are essential.