The HBL2716 is an Insulgrip flanged receptacle designed for 30 A, 250 V AC 3-pole twist-lock power connections. It features a nylon casing with back-wired termination and is rated for 3 HP applications. The receptacle has a flanged design with dimensions of 3.06" (77.7 mm) overall length and 2.27" (57.7 mm) width, with a 1.34" R. (34.0 mm) radius and #6-32 tap mounting provisions. It provides IP20 suitability for indoor use and is part of Hubbell's Twist-Lock Devices line, which includes both connector bodies and receptacles for industrial power distribution. This receptacle is commonly used in industrial facilities, workshops, and equipment requiring secure, polarized 3-phase power connections with reliable back-wired termination.