2" CONDUIT LOCKNUT

Product Description (ARL-406)

• Type: Threaded conduit locknut
• Trade Size: 2 inch
• Material: Steel
• Finish: Zinc plated (corrosion-resistant)
• Function: Secures conduit or fittings to knockout openings in boxes/panels
• Use With: Rigid conduit and IMC conduit systems
• Listing: UL/CSA compliant for electrical grounding/bonding applications

Common Uses

• Locking rigid or IMC conduit into electrical enclosures
• Securing conduit fittings to panels, junction boxes, and cabinets
• Maintaining a tight mechanical and electrical bond in conduit systems
• Residential, commercial, and industrial electrical installations

Key Idea

The ARL-406 is a simple but critical hardware piece: it tightens and locks threaded conduit fittings in place, preventing loosening due to vibration or movement while also supporting grounding continuity.

Context in Arlington lineup

• Part of Arlington’s rigid/IMC conduit fitting family (400-series)
• Works alongside bushings, connectors, and couplings in the same system