The HBL3333C is an Insulgrip connector body designed for 3-pole, 4-wire twist-lock grounding devices rated at 20A 125/250V. It features black and white nylon housing with IP20 suitability and is UL Listed. The device accommodates cord diameters from 0.360" to 0.930" (9–24 mm) and includes a #6-32 tap for mounting. With dimensions of 2.88" (73.2 mm) height, 1.25" R (31.8 mm) radius, and 0.19" (4.8 mm) diameter contact points at 120° spacing, this connector body provides secure locking engagement for industrial and commercial power distribution applications. It is commonly used in temporary power systems, construction sites, and equipment requiring reliable twist-lock connections.