The Leviton 2521 EB Plug Lock is an electrical plug designed to provide secure connections with its one-piece contacts that reduce friction and overheating. It features a unique cord clamp that accommodates a wide range of cord sizes, enhancing its versatility for various applications. Constructed from rugged nylon, this plug lock resists impact, sunlight, chemicals, and rough use, ensuring durability in demanding environments. Its design supports reliable and safe operation for industrial and commercial power connections.