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The GREENLEE 60019 is a square punch set designed for cutting clean, precise square knockouts in electrical enclosures, panels, and junction boxes. The set provides the tooling needed to create square openings for conduit fittings, switches, or other square-profile components. Licensed electricians and electrical contractors rely on Greenlee punch sets for consistent, burr-free results in sheet metal work across commercial and industrial installations.
This square punch set is suited for electrical trade applications where square openings are required in metal enclosures, load centers, and distribution panels. It is typically used in commercial electrical work, panel fabrication, and industrial control cabinet installations where standard round knockouts are not appropriate for the fitting or device being installed.
Designed as an OEM-style replacement and standard-use punch set compatible with Greenlee hydraulic and mechanical punch driver systems typical of commercial electrical panel and enclosure work.
Square punch sets are installed and operated by licensed electricians following applicable NEC guidelines. Always de-energize and lock out any panel or enclosure before beginning knockout operations. Ensure the punch and die are properly aligned before applying force to avoid damaged tooling or off-center cuts. Use the appropriate punch driver and follow the tool manufacturer's torque or pressure guidance for the driver being used.
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