Hubbell HBL2721 Twist Lock Plug is a 30A, 250V electrical plug from Hubbell, identified by the model number HBL2721. This twist-lock plug is designed to mate with a compatible twist-lock receptacle, providing a keyed, twist-lock connection for circuits specified at 30 amperes and 250 volts. As a Hubbell component, the HBL2721 is part of Hubbell's twist-lock family of plugs, intended for use in electrical installations that require a twist-lock interface and a plug counterpart to a corresponding receptacle.
