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The GREENLEE 2983AV is a round conduit knockout die designed for use with standard round knockout punch units. It produces a clean, circular cutout sized for 4-inch conduit installations, with a punch hole diameter of 115.4 mm. This die is a component part — it works in conjunction with a compatible knockout punch unit rather than as a standalone tool. Electricians and electrical contractors reach for this die when cutting precise conduit entry holes in enclosures, panels, and sheet metal during commercial and residential electrical installations.
This die is suited for jobs requiring a 4-inch round conduit opening. Typical applications include cutting knockouts in electrical enclosures, junction boxes, switchgear cabinets, and similar metal structures. It is intended for use with standard round knockout punch units that accept this die size. The 4-inch conduit size is common in larger commercial, industrial, and utility electrical installations where high-capacity conduit runs are required.
Designed for use with standard round knockout punch units that accept a 4-inch round conduit die. Specific punch unit compatibility should be verified against the punch unit manufacturer specifications before ordering.
Installation of this knockout die should be performed by a qualified electrician in accordance with applicable NEC requirements. De-energize and lock out any panel or enclosure before cutting knockouts. Ensure the punch unit, die, and draw stud are properly aligned and fully seated before applying hydraulic or manual force. Inspect the die for wear or damage before each use to maintain cut quality and operator safety.
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