NSI Industries L4N - 2 Hole Long Barrel Copper Compression Lug 4 AWG - 1/2" Bolt Long Barrel Copper Compression Lugs are produced from high conductivity copper tubing. Allows easy inspection of the termination to assure complete cable insertion. Tin-plated to provide corrosion and low contact resistance. Marked with die index and color coded. Listed for 35KV maximum when properly installed. Rated 600V. cULus 486A/B Listed. UL467 Listed on sizes 6 AWG - 3/0 AWG. Temperature rating 90 degrees C.
NSI Industries

L4N

UPC: 662381035035


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Overview

The NSI Industries L4N is a high-conductivity copper compression lug designed for reliable electrical terminations. This 2-hole, long barrel lug is specifically engineered for 4 AWG conductors and features a 1/2" bolt size for secure mounting. Constructed from premium copper tubing, it ensures excellent conductivity and durability. The tin-plated finish provides superior corrosion resistance and maintains low contact resistance, crucial for long-term performance. A key feature is the ability to easily inspect the termination through the barrel to confirm complete cable insertion, preventing potential connection failures. Each lug is clearly marked with its die index and color-coded for quick identification and proper tooling selection. Rated for 600V and a temperature rating of 90°C, the L4N is cULus 486A/B Listed, guaranteeing compliance with stringent safety standards. Furthermore, it is UL467 Listed for grounding and bonding applications on sizes 6 AWG through 3/0 AWG, offering versatility. When properly installed according to cable manufacturer instructions, this lug is also listed for 35KV maximum applications, making it suitable for medium-voltage systems. The long barrel design offers increased surface area for superior crimp strength and electrical performance. Ideal for power distribution, industrial control panels, and utility applications where robust and dependable connections are paramount.
  • Constructed from high conductivity copper tubing for optimal electrical performance.
  • Tin-plated for enhanced corrosion resistance and low contact resistance.
  • Long barrel design ensures secure and reliable crimp connections.
  • Marked with die index and color-coded for easy identification and tooling.
  • cULus 486A/B Listed and rated for 600V, 90°C, and 35KV maximum applications when properly installed.

Specifications

Application
Terminate, Splice, Tap Power Connectors
Cable Size
# 4 AWG (STR)
Color
Gray
Connection Type
Compression Lug
Environmental Conditions
90 C
Finish
Tin Plated
Material
Copper
Mounting
1/2 Mounting Holes
Number Of Holes
2
Size
L=4.09 - W=.870 - OD=.340 - ID=.250
Size
4 AWG
Special Features
# 4 AWG (STR) - 1/2 Mounting Holes - 1 3/4 Hole Spacing
Standard
UL486A/B, UL467 (8 AWG -3/0 AWG)
Stud Size
1/2 IN
Type
Long Barrel - Two Hole
Voltage Rating
600 V
Warranty
1 Year
Package Dimensions (L x W x H)
4.09 IN x 0.87 IN x 0.34 IN
Package Dimensions (L x W x H)
10.3886 cm x 22.098 mm x 8.636 mm
Package Weight (Imperial)
5.000 L
Package Weight (Metric)
2.268 kg
2 Hole Long Barrel Copper Compression Lug 4 AWG - 1/4" Bolt - 1" Mounting Hole Spacing Long Barrel Copper Compression Lugs are produced from high conductivity copper tubing. Allows easy inspection of the termination to assure complete cable insertion. Tin-plated to provide corrosion and low contact resistance. Marked with die index and color coded. Listed for 35KV maximum when properly installed. Rated 600V. cULus 486A/B Listed. UL467 Listed on sizes 6 AWG - 3/0 AWG. Temperature rating 90 degrees C.

L4N-14

2 Hole Long Barrel Copper Compression Lug 4 AWG - 1/4" Bolt - 1" Mounting Hole Spacing Long Barrel Copper Compression Lugs are produced from high conductivity copper tubing. Allows easy inspection of the termination to assure complete cable insertion. Tin-plated to provide corrosion and low contact resistance. Marked with die index and color coded. Listed for 35KV maximum when properly installed. Rated 600V. cULus 486A/B Listed. UL467 Listed on sizes 6 AWG - 3/0 AWG. Temperature rating 90 degrees C.
2 Hole Short Barrel Copper Compression Lug w/ Peep Hole 4 AWG - 1/4" Bolt Short Barrel Copper Compression Lugs with Peep Hole is a type of copper compression connector that is produced from high conductivity copper tubing. They are tin-plated to provide corrosion resistance and are marked with die index and color coded for easy reference. Listed for 35KV maximum when properly installed.

GL4N-141

2 Hole Short Barrel Copper Compression Lug w/ Peep Hole 4 AWG - 1/4" Bolt Short Barrel Copper Compression Lugs with Peep Hole is a type of copper compression connector that is produced from high conductivity copper tubing. They are tin-plated to provide corrosion resistance and are marked with die index and color coded for easy reference. Listed for 35KV maximum when properly installed.
1 Hole Long Barrel Copper Compression Lug 4 AWG - 10 Bolt Long Barrel Copper Compression Lugs are produced from high conductivity copper tubing. They are tin-plated to provide corrosion low contact resistance. Marked with die index and color coded for easy reference. Listed for 35KV maximum when properly installed and to cable manufacturer instructions. Temperature rating 90 degrees C. .

L410

1 Hole Long Barrel Copper Compression Lug 4 AWG - 10 Bolt Long Barrel Copper Compression Lugs are produced from high conductivity copper tubing. They are tin-plated to provide corrosion low contact resistance. Marked with die index and color coded for easy reference. Listed for 35KV maximum when properly installed and to cable manufacturer instructions. Temperature rating 90 degrees C. .
2 Hole Long Barrel Copper Compression Lug with Peep Hole 4 AWG - 1/2" Bolt Long Barrel Copper Compression Lugs are produced from high conductivity copper tubing. Allows easy inspection of the termination to assure complete cable insertion. Tin-plated to provide corrosion and low contact resistance. Marked with die index and color coded. Listed for 35KV maximum when properly installed. Rated 600V. cULus 486A/B Listed. UL467 Listed on sizes 6 AWG - 3/0 AWG. Temperature rating 90 degrees C.

L4NP

2 Hole Long Barrel Copper Compression Lug with Peep Hole 4 AWG - 1/2" Bolt Long Barrel Copper Compression Lugs are produced from high conductivity copper tubing. Allows easy inspection of the termination to assure complete cable insertion. Tin-plated to provide corrosion and low contact resistance. Marked with die index and color coded. Listed for 35KV maximum when properly installed. Rated 600V. cULus 486A/B Listed. UL467 Listed on sizes 6 AWG - 3/0 AWG. Temperature rating 90 degrees C.
1 HoleStandard BarrelAluminum Compression Lug4 AWG - 1/4 Bolt Standard BarrelAluminum Compression Lugs is a type ofaluminum compression connector that is produced from high conductivityaluminum tubing.Center stop assures proper cable installation.They are tin-plated to provide corrosion resistance and are marked with die index and color coded for easy reference. Listed for 35KV maximum when properly installed.

AL4-14

1 HoleStandard BarrelAluminum Compression Lug4 AWG - 1/4 Bolt Standard BarrelAluminum Compression Lugs is a type ofaluminum compression connector that is produced from high conductivityaluminum tubing.Center stop assures proper cable installation.They are tin-plated to provide corrosion resistance and are marked with die index and color coded for easy reference. Listed for 35KV maximum when properly installed.
1 HoleStandard BarrelAluminum Compression Lug4 AWG -3/8 Bolt Standard BarrelAluminum Compression Lugs is a type ofaluminum compression connector that is produced from high conductivityaluminum tubing.Center stop assures proper cable installation.They are tin-plated to provide corrosion resistance and are marked with die index and color coded for easy reference. Listed for 35KV maximum when properly installed.

AL4-38

1 HoleStandard BarrelAluminum Compression Lug4 AWG -3/8 Bolt Standard BarrelAluminum Compression Lugs is a type ofaluminum compression connector that is produced from high conductivityaluminum tubing.Center stop assures proper cable installation.They are tin-plated to provide corrosion resistance and are marked with die index and color coded for easy reference. Listed for 35KV maximum when properly installed.
StandardBarrel TinnedCopperSplice4 AWG Standard Barrel Tinned CopperSplices is a type of copper compression connector that is produced from high conductivity copper tubing. They are tin-plated to provide corrosion resistance and are marked with die index and color coded for easy reference. Listed for 35KV maximum when properly installed.

SC-4

StandardBarrel TinnedCopperSplice4 AWG Standard Barrel Tinned CopperSplices is a type of copper compression connector that is produced from high conductivity copper tubing. They are tin-plated to provide corrosion resistance and are marked with die index and color coded for easy reference. Listed for 35KV maximum when properly installed.
CU CMP Lug Long 4 AWG 1/4 Bolt-Peep

L350NP

CU CMP Lug Long 4 AWG 1/4 Bolt-Peep
Long Barrel TinnedCopperSplice 1000 MCM Long Barrel Tinned CopperSplices is a type of copper compression connector that is produced from high conductivity copper tubing. They are tin-plated to provide corrosion resistance and are marked with die index and color coded for easy reference. Listed for 35KV maximum when properly installed.

C-1000

Long Barrel TinnedCopperSplice 1000 MCM Long Barrel Tinned CopperSplices is a type of copper compression connector that is produced from high conductivity copper tubing. They are tin-plated to provide corrosion resistance and are marked with die index and color coded for easy reference. Listed for 35KV maximum when properly installed.
Short Barrel Copper Compression Splice for Flexible Copper Cable 300MCM Compression splices for flexible copper cables are connects that have flared openings at both ends to ensure ease of cable insertion of flexible and extra flexible cables such as locomotive, welding, mining cable and more. Positive center stop. Tin-plated for corrosion resistance. Rated 600 volts for copper cables only.

SC-300B

Short Barrel Copper Compression Splice for Flexible Copper Cable 300MCM Compression splices for flexible copper cables are connects that have flared openings at both ends to ensure ease of cable insertion of flexible and extra flexible cables such as locomotive, welding, mining cable and more. Positive center stop. Tin-plated for corrosion resistance. Rated 600 volts for copper cables only.
StandardBarrel TinnedCopperSplice500MCM Standard Barrel Tinned CopperSplices is a type of copper compression connector that is produced from high conductivity copper tubing. They are tin-plated to provide corrosion resistance and are marked with die index and color coded for easy reference. Listed for 35KV maximum when properly installed.

SC-500

StandardBarrel TinnedCopperSplice500MCM Standard Barrel Tinned CopperSplices is a type of copper compression connector that is produced from high conductivity copper tubing. They are tin-plated to provide corrosion resistance and are marked with die index and color coded for easy reference. Listed for 35KV maximum when properly installed.
2 Hole Long Barrel Peep Hole Copper Compression Lug with Peep Hole 2/0 AWG - 1/4" Bolt - 5/8" Mounting Spacing Long Barrel Copper Compression Lugs are produced from high conductivity copper tubing. Allows easy inspection of the termination to assure complete cable insertion. Tin-plated to provide corrosion and low contact resistance. Marked with die index and color coded. Listed for 35KV maximum when properly installed. Rated 600V. cULus 486A/B Listed. UL467 Listed on sizes 6 AWG - 3/0 AWG. Temperature rating 90 degrees C.

L20N-14P

2 Hole Long Barrel Peep Hole Copper Compression Lug with Peep Hole 2/0 AWG - 1/4" Bolt - 5/8" Mounting Spacing Long Barrel Copper Compression Lugs are produced from high conductivity copper tubing. Allows easy inspection of the termination to assure complete cable insertion. Tin-plated to provide corrosion and low contact resistance. Marked with die index and color coded. Listed for 35KV maximum when properly installed. Rated 600V. cULus 486A/B Listed. UL467 Listed on sizes 6 AWG - 3/0 AWG. Temperature rating 90 degrees C.

How to Install Copper Compression Connectors

This guide provides step-by-step instructions for installing copper compression connectors, ensuring a secure and reliable electrical connection.

Estimated time: 30m

Tools needed:

Wire strippers, Crimping tool, Multimeter

Supplies needed:

Copper compression connectors, Wire brush

  1. Strip the conductor

    Carefully strip the insulation from the conductor to a length that allows it to be fully inserted into the connector barrel without nicking the strands.

  2. Clean the conductor

    Use a wire brush to clean the stripped portion of the conductor, removing any oxide films to ensure a good electrical connection.

  3. Insert and crimp the connector

    Insert the cleaned conductor completely into the connector barrel and use the appropriate crimping tool to secure the connection, following the manufacturer's suggested crimp locations.

  4. Verify the connection

    Use a multimeter to check for continuity and ensure that the connection is secure and functioning properly.

Frequently Asked Questions about NSI Industries

How are Tork products typically installed?

Tork products are typically installed by trained technicians who follow a comprehensive commissioning process. This includes verifying the work environment, conducting electrical installation checks, performing internal and external equipment inspections, powering on the system, and executing operational tests to ensure compatibility and reliability.

What environmental ratings do Tork products have?

Tork products are designed to meet various environmental ratings, including NEMA Type 4X and Type 6, which provide protection against corrosion, windblown dust, rain, and occasional temporary submersion. These ratings ensure that Tork products can withstand harsh industrial environments while maintaining operational integrity.

What communication protocols do Tork products support?

Tork products support a comprehensive range of communication protocols, including PROFIBUS DP V1, PROFINET with dual port, EtherNet/IP with dual port, CANopen, and Modbus RTU integrated as standard. These protocols facilitate flexible network integration and high-performance communication across various industrial automation systems.

What are the key features of Tork products?

Tork products are designed with advanced features that enhance efficiency and reliability in industrial applications. Key features include integrated harmonics and EMC design for improved power quality, removable terminals for quick installation, and USB ports for easy troubleshooting. Additionally, Tork solutions emphasize user-friendly setup with application wizards and memory modules for convenient parameter management.

What are the main product lines offered by Tork?

Tork offers a diverse range of products primarily focused on industrial automation, including TORK® Photocontrols, lighting controls, and various electrical components such as enclosures, occupancy sensors, and grounding solutions. These products are designed to enhance efficiency and reliability in commercial and industrial applications.

What technical support does Tork offer?

Tork offers a comprehensive range of technical support services, including 24/7 customer support, on-site service management, and a technical hotline network. With three advanced technical support centers and over 8,000 hours of technical training conducted annually, Tork ensures certified expertise across 25+ languages to assist customers effectively. Their commitment to service is reflected in a 98% Service Level Agreement compliance rate, providing reliable support for all operational needs.

What industries and applications are Tork products used for?

Tork products are utilized across a variety of industries, including food processing, healthcare, hospitality, and manufacturing. They are designed for applications such as hand hygiene, surface cleaning, and dispensing solutions, ensuring efficiency and compliance in environments that require high standards of cleanliness and safety.

What certifications and standards do Tork products comply with?

Tork products comply with UL and cUL certifications, ensuring they meet rigorous safety and performance standards. Additionally, many models are designed to meet NEMA enclosure ratings, providing protection against environmental factors.

How are Remke products typically installed?

Remke products are typically installed through a systematic process that includes site audits to verify proper wiring, followed by remote or on-site commissioning. This commissioning involves installation verification, programming, and communication testing to ensure the system operates reliably and meets design specifications.

What accessories are available for Remke products?

Remke offers a wide range of accessories for their products, including panel mounting kits, fuse holders for voltage inputs, ferrites for communication modules, and current transformers. These accessories enhance the functionality and protection of Remke's industrial automation solutions, ensuring reliable performance in various applications.