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The ARLINGTON INDUSTRIES 440125 is a snap-in bushing designed to protect wire and cable as it passes through knockouts and holes in electrical boxes, panels, and enclosures. The bushing snaps into place without tools, creating a smooth, rounded edge that prevents insulation damage and abrasion on conductors. Sized for 3/4 inch knockouts, this pack includes 25 individual bushings, making it a practical choice for large installations or stocking a service vehicle. Licensed electricians and electrical contractors are the primary installers of this fitting.
This bushing is suited for residential and light commercial electrical work where wire protection at panel knockouts or junction box entries is required. It fits standard 3/4 inch round knockouts in metallic and non-metallic enclosures. The snap-in design speeds up installation compared to threaded or push-in style bushings and is commonly used when pulling branch circuit wiring, low-voltage cabling, or service conductors through enclosure walls.
Designed as an OEM-style replacement fitting for standard 3/4 inch knockouts in residential and commercial electrical enclosures, junction boxes, and panel boxes.
Installation is performed by a licensed electrician in accordance with NEC requirements. Always de-energize the enclosure and verify absence of voltage before working inside any panel or box. Press the bushing firmly into the knockout until the retaining flange seats against the enclosure wall. Inspect the bushing edge for proper seating before pulling conductors through.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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