The Leviton RP530LEV Locking Ring is designed for 30A plugs, specifically the 5W variant. This durable locking ring ensures a secure connection, preventing accidental disconnections in high-demand applications. Constructed from high-quality materials, it meets industry standards for safety and reliability. The dimensions are optimized for compatibility with standard 30A plugs, making it an essential component for electrical installations. Ideal for both residential and commercial use, this locking ring enhances the performance of your electrical systems.