Hubbell HBL2730 Locking Twist-Lock Receptacle

The Hubbell HBL2730 locking twist-lock receptacle (NEMA L16-30R) is a 30 A, 480 VAC, 3‑pole, 4‑wire grounding receptacle engineered for secure, locking connections in industrial and commercial power distribution systems. Its Insulgrip® Nylon housing and flush-mount design support harsh environments and keep wiring safely tucked in on portable generators, transfer switches, motor control centers, industrial equipment, and temporary power setups where dependable power delivery is essential. Common replacements include HBL2731CN locking connector, and this Hubbell product is manufactured by Hubbell Wiring Device-Kellems.