Halex 20511 Clamp Connector, Zinc, 3/8-in., 5-pk.

The Halex 20511 clamp connector is a zinc die-cast fitting designed to securely terminate non-metallic (NM) sheathed cable to metal outlet boxes and enclosures in dry-location applications. This robust connector solves the common wiring challenge of safely anchoring electrical cable while maintaining code compliance and professional workmanship in residential and commercial installations.

Built from corrosion-resistant zinc alloy, this connector delivers reliable performance for NM cable runs using #14/2, 12/2, 12/3 AWG conductors or equivalent flex cord. The twin-screw clamp mechanism provides a firm, uniform grip that prevents cable slippage, while the 1/2-inch knockout slot aligns with standard electrical box openings for clean, straightforward installation. UL listed and CSA certified, these connectors meet North American safety standards for peace of mind on every job.

Features and Benefits

• Die-Cast Zinc Body: Superior durability and corrosion resistance ensure long-term reliability in dry locations.
• Twin-Screw Clamp: Delivers a tight, uniform grip on NM cable, preventing slippage and ensuring a stable, code-compliant connection.
• 1/2-Inch Knockout Compatibility: Fits standard knockout openings in electrical boxes and panels, simplifying installation.
• UL Listed and CSA Certified: Meets rigorous North American safety standards for professional and DIY confidence.
• Pack of Five: Convenient bulk quantity reduces inventory handling and provides ready-to-use units for multiple projects.

Specifications

• Brand: Halex
• Model: 20511
• Size: 3/8 inch
• Material: Zinc die-cast
• Quantity: 5 per pack
• Cable Diameter Range: 0.3 to 0.56 inches
• Compatible Cable: NM #14/2, 12/2, 12/3 AWG or 2 #14/2 AWG or flex cord
• Knockout Slot: 1/2 inch
• Certifications: UL listed and meets CSA requirements
• Application: Dry locations only