The Hubbell Incorporated HBL2421 Twist-Lock Plug is a 20A, 250VAC electrical plug designed for twist-lock connections. The model number HBL2421 identifies this plug within Hubbell’s twist-lock lineup, which uses a locking mechanism that engages when rotated to secure the connection. Rated for 20A at 250VAC, this plug is intended for installations that require a twist-lock interface in commercial or industrial electrical systems. As a Hubbell product, the HBL2421 follows the company’s standard approach to locking connectors, providing a defined plug option for customers specifying a 20A, 250V twist-lock plug.
