Locking Connector, L7-20R, 20 A, 277V AC, Single Phase, Black

This AC WORKS brand wiring device (model ASL720R‐BK) is a durable NEMA L7‐20R 20‐amp, 277‐volt locking female connector designed for industrial, commercial, and DIY replacement applications. Built to withstand impacts, chemicals, and harsh weather, this connector provides a secure locking interface that prevents accidental disconnection during use. The device features a weather‐tight seal and a strain‐relief structure compatible with SJT, SJO, SOO, and STW 12/3 or 10/3 cable, ensuring a reliable installation across multiple cable types. Thick copper terminals deliver strong conductivity and long‐term durability. The connector is cULus E237606 listed and backed by a 1‐year limited warranty for DIY products.

• NEMA L7‐20R 20A 277V locking female connector
• Durable construction resists impacts, chemicals, and weather
• Weather‐tight seal and strain‐relief structure
• Compatible with SJT, SJO, SOO, STW 12/3 or 10/3 cable
• Thick copper terminals for strong conductivity
• Fast and easy install
• cULus E237606 listed
• 1‐year limited warranty on DIY products