HUBBELL part HBL2721 is a durable locking plug designed for heavy-duty industrial use. This plug is rated at 30 Amps and 250 Volts, making it suitable for high-power applications. It features a 3-pole configuration and is compatible with the L15-30P outlet. The plug has a sleek black and white color combination, adding a touch of sophistication to any workspace. With its reliable construction and secure locking mechanism, the HUBBELL HBL2721 is the ideal choice for professionals who require a safe and efficient electrical connection.