1 INCH AL LOCKNUT

1 INCH AL LOCKNUT – Aluminum Locknut for Electrical Conduit The 1 INCH AL LOCKNUT (part number 143AL) by Thomas & Betts is a copper-free aluminum locknut designed to connect externally threaded rigid or intermediate metal conduit (IMC) to threadless openings in electrical boxes or enclosures. It ensures effective bonding of conduit to the enclosure while preventing loosening due to vibration, making it suitable for electrical distributors and switchgear suppliers requiring reliable conduit fittings. Specifications Material: Copper-free aluminum (less than 0.5% copper) Size: 1 inch Weight: 6.5 lbs Application: For use with rigid and IMC conduit Manufacturer: Thomas & Betts Manufacturer Part Number: 143AL Compliance: UL File No. E-23018, CSA File No. 2884 RoHS Status: Compliant with EU Directive 2011/65/EU and Amendment 2015/863 Features Constructed from copper-free aluminum for corrosion resistance Provides extended reach for clamping on thin boxes and enclosures Designed to cut through protective coatings to ensure ground continuity Permits tightening from outside the enclosure Prevents loosening under vibration Complies with federal standards for copper-free aluminum locknuts Downloads & Links Spec Sheet Spec Sheet