The HBL2525 is an Insulgrip flanged inlet designed for industrial power connections. It is a 4-pole, 5-wire grounding device rated for 20A and 3-phase Y 277/480V AC systems. This back-wired inlet features a durable nylon casing and conforms to the NEMA L22-20P configuration. With an IP20 suitability rating, it is designed for use in dry, indoor locations requiring a secure, twist-locking connection.