Leviton 4779-B Locking Connector, Industrial Grade, 15A 277V, Black

Keep critical power lines secure and reliable with the Leviton 4779-B locking connector — an industrial-grade power connector designed to maintain uninterrupted service in security, surveillance, and monitoring applications. This Leviton connector supports 15A at 277V and conforms to NEMA L7-15R standards, delivering a dependable grounding solution for access control panels, CCTV systems, and AV/networking equipment. Built from rugged nylon, the connector resists impact, UV exposure and harsh chemicals, minimizing replacement cycles and service calls. One-piece contacts reduce friction and overheating, while a wide-range cord clamp accepts multiple cord sizes for fast field installs and retrofit projects. The all-black finish offers a discreet appearance for visible installations in data centers and security rooms. Backed by Leviton’s limited lifetime warranty, the 4779-B helps reduce downtime and total cost of ownership. Specify the Leviton 4779-B locking connector for safer, long-term power connections — ideal for installers, contractors, and facilities managers looking to simplify deployment and protect mission-critical equipment. Order now or add to your next system build.

• Prevents accidental power loss with secure locking mechanism for continuous operation in critical systems
• Industrial-grade nylon housing resists impact, sunlight and chemicals to minimize downtime
• 15A/277V NEMA L7-15R compatibility for reliable power distribution in commercial and industrial environments
• One-piece contacts and wide-range cord clamp reduce heat and simplify installation for safer, longer-lasting connections
• Grounding design and limited lifetime warranty provide peace of mind for security, surveillance, and networking deployments