Nsi Industries L4N Compression Lug 4 Awg Copper

Product Description

The NSI INDUSTRIES L4N is a compression lug designed for terminating 4 AWG copper conductors in electrical distribution and wiring applications. Compression lugs create a cold-weld connection between the conductor and the lug barrel when crimped with the appropriate tooling, resulting in a low-resistance, vibration-resistant termination. This style of lug is a standard component in panel wiring, feeder terminations, and equipment grounding assemblies. Licensed electricians and apprentices install these as part of branch circuit and service entrance work on a routine basis.

The L4N is suited for use in residential and light commercial electrical installations where 4 AWG copper conductors require a secure, code-compliant mechanical termination. Typical applications include load center connections, junction box terminations, motor lead connections, and grounding electrode conductor terminations. The compression-style design is preferred where a reliable, permanent connection is required and re-termination is not anticipated.

Key Features

• Designed for 4 AWG copper conductors
• Compression-style termination provides a cold-weld, low-resistance connection
• Suitable for panel, feeder, and grounding applications
• Compatible with standard compression crimping tools sized for this conductor range

Compatibility

Designed as an OEM-style compression termination lug for 4 AWG copper conductor wiring installations in residential and commercial electrical systems.

Installation Notes

Installation should be performed by a licensed electrician in accordance with the National Electrical Code (NEC). De-energize and lock out the circuit before terminating any conductor. Use a calibrated compression crimping tool rated for the lug and conductor size to achieve a proper cold-weld crimp. Do not use this lug with aluminum conductors unless the product is explicitly rated for aluminum.

Technical Specifications

• Conductor Size: 4 AWG
• Conductor Material: Copper
• Connection Type: Compression crimp
• UPC: 66238103503

Standard Information

• Brand: NSI INDUSTRIES
• Manufacturer Part Number: L4N