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The GREENLEE 7212SP-1-1/4D is a round conduit die designed for use with compatible punch units in electrical knockout work. It produces a 43.2 mm (1.7015 inch) punch hole diameter, sized for 1-1/4 inch conduit trade size knockouts. The die is a replacement or spare component intended to work within a punch unit assembly. Electricians and electrical contractors rely on this die when performing conduit knockout operations in enclosures, panels, and junction boxes. Its round profile ensures a clean, accurate hole suited to standard conduit entry requirements.
This die is applicable to electrical trade work requiring 1-1/4 inch conduit knockouts in sheet metal enclosures, electrical panels, and similar applications. It functions as a component of a punch unit system, meaning it must be paired with a compatible punch unit body and stud. Typical installation scenarios include service panel work, sub-panel installations, and commercial or industrial conduit rough-in where knockout punches are used in place of chassis punches or step bits.
Designed for use with a compatible GREENLEE punch unit. Specific compatible punch unit models were not provided in the product data. Verify compatibility with your existing punch unit before ordering.
This die is installed and used by licensed electricians performing conduit knockout work in accordance with applicable NEC requirements. Before performing any knockout operation, de-energize and lock out all circuits associated with the enclosure being worked on. Ensure the die, punch, and draw stud are properly aligned and fully seated in the punch unit before applying hydraulic or manual force. Do not use a damaged or worn die, as this can result in deformed knockouts or tool failure.
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