Leviton Telcom 4779-PLC Nema L7-15R Locking Power Connector

Product Description

The LEVITON TELCOM 4779-PLC is a locking power connector configured to the NEMA L7-15R standard, providing a twist-lock female receptacle for secure electrical connections. This connector type is commonly used in commercial and light industrial applications where accidental disconnection must be prevented. The L7-15R designation indicates a 2-pole, 3-wire grounding configuration rated for 277 volts AC service. Licensed electricians and facilities maintenance technicians are the primary installers of this connector in panel feeds, portable equipment, and temporary power setups.

This connector is suited for commercial electrical installations where a reliable, locking 277-volt connection is required. Typical applications include lighting circuits, portable power distribution, generator hookups, and equipment feed connections in commercial buildings, warehouses, and light industrial facilities. It is sold individually as a single unit.

Key Features

• NEMA L7-15R twist-lock female receptacle configuration prevents accidental disconnection
• 277-volt AC rating suitable for commercial lighting and equipment circuits
• 2-pole, 3-wire grounding design meets standard commercial wiring requirements
• Sold as a single connector unit for targeted replacement or new installation

Compatibility

Designed as an OEM-style replacement or new-installation connector for commercial electrical systems requiring a NEMA L7-15R locking receptacle interface.

Installation Notes

Installation should be performed by a licensed electrician in accordance with the National Electrical Code (NEC). De-energize and lock out the circuit at the breaker panel before handling any wiring connections. Use appropriately rated wire gauge for the circuit load and verify all connections are secure before restoring power. Confirm the installed connector is properly strain-relieved to prevent conductor damage at the termination point.