The HBL2711 is a Twist-Lock male plug designed for 3-pole 4-wire power distribution systems rated at 125/250V AC with a 30-ampere capacity and NEMA L7-30 configuration. This device is part of Hubbell's Twist-Lock wiring device line, featuring rugged construction with insulated housing, superior strain relief, and a powerful cord grip for secure connections. The plug accommodates a 2 horsepower AC rating and is available in various mounting configurations including angle housing, surface mounting, and semi-flush options. It is commonly used in industrial and commercial applications requiring reliable power distribution, temporary power systems, and equipment connections where secure locking and safety are critical.