NSI Industries 4TR Aluminum Single Lug (4–14 AWG, AL/CU):

The NSI 4TR Aluminum Single Lug is a compact, dual-rated connector designed for secure terminations of copper or aluminum conductors. Made from high-strength 6061-T6 aluminum alloy and electro-tin plated for superior corrosion resistance, this lug ensures reliable electrical performance in residential, commercial, and industrial applications.

Key Features

• Dual-Rated Design: Compatible with both copper and aluminum conductors.
• High-Strength Aluminum Alloy: Manufactured from 6061-T6 aluminum for durability.
• Electro-Tin Plated Finish: Reduces contact resistance and prevents corrosion.
• Set-Screw Type Connector: Provides a secure, reusable connection.
• UL Listed: Meets UL 486A/B standards for electrical safety.
• Compact Size: Ideal for tight spaces and easy installation.

Specifications

• Part Number: 4TR
• Material: 6061-T6 Aluminum Alloy
• Finish: Electro-Tin Plated
• Wire Range: 4 AWG – 14 AWG
• Mounting Hole Size: 1/4 inch
• Number of Conductors: 1
• Voltage Rating: 600 V
• Temperature Rating: 90 °C
• Torque: 50 in-lb
• Compliance: UL Listed, CSA Certified

Applications

• Wire Termination: For copper or aluminum conductors in panels and equipment.
• Power Distribution: Ideal for grounding and bonding applications.
• Industrial & Residential Installations: Suitable for a wide range of electrical projects.
• Automotive & Marine Use: Provides secure connections in demanding environments.