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NSI Industries GL810 - 1 Hole Short Barrel Copper Compression Lug w/ Peep Hole 8 AWG - #10 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.

NSI Industries GL810 1 Hole Short Barrel Copper Compression Lug w/ Peep Hole 8 AWG - #10 Bolt Short Barrel…

UPC: 662381036001


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Technical BulletinInstallation Instructions

Contact for Pricing

Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.

Overview

The NSI Industries GL810 1-hole short barrel copper compression lug is a high-conductivity connector engineered for 8 AWG copper wire in grounding and bonding applications. Manufactured from seamless copper tubing with a tin-plated finish, the GL810 delivers superior corrosion resistance and low contact resistance for long-term reliability in harsh environments. This UL486A and UL467 listed lug supports up to 600V systems with a 90°C temperature rating, meeting stringent electrical performance standards. The compact short barrel design (0.42" length) and 0.079" mounting hole diameter make it ideal for tight spaces in electrical panels, switchgear, and grounding systems. The GL810 is color-coded (Red) and die-indexed for easy identification, with a barrel inner diameter of 0.173" and outer diameter of 0.272". Listed for 35KV maximum when properly installed, this connector is suitable for Class B or C building wire applications per NEC 310.15. The copper construction provides superior conductivity, while the tin plating enhances durability in corrosive environments.
  • Produced from high conductivity copper tubing
  • Peep hole 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 - Red
  • Listed for 35KV maximum when properly install applications greater than 2000V, installed to cable manufacturervoltage stress relief instructions

Specifications

Application
Terminate, Splice, Tap Power Connectors
Cable Size
# 8 AWG (STR)
Color
Red
Connection Type
Compression
Environmental Conditions
90 C
Finish
Tin Plated
Material
Copper
Mounting
# 10 Mounting Hole
Number Of Holes
1
Size
L=1.20 - W=.420 - OD=.270 - ID=.170
Size
8 AWG
Special Features
# 8 AWG (STR) - # 10 Mounting Hole
Standard
UL486A/B, UL467 (8 AWG -3/0 AWG)
Stud Size
#10 IN
Type
Short Barrel - One Hole
Voltage Rating
600 V
Voltage Rating
35 kV
Warranty
1 Year
Package Dimensions (L x W x H)
1.201 IN x 0.421 IN x 0.272 IN
Package Dimensions (L x W x H)
3.0505 cm x 10.6934 mm x 6.9088 mm
Package Weight (Imperial)
1.500 L
Package Weight (Metric)
0.680 kg
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Combine high performance with compact dimensions: - 1000 V AC / DC IEC 600 V UL, - Opt for the best marking visibility thanks to the up-front, flat marker zone, which lets you mark up to eight digits or increase the font size.

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Combine high performance with compact dimensions: - 1000 V AC / DC IEC 600 V UL, - Opt for the best marking visibility thanks to the up-front, flat marker zone, which lets you mark up to eight digits or increase the font size.

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Frequently Asked Questions

What wire size does the GL810 support?

The GL810 is designed for 8 AWG copper wire.

What is the maximum voltage rating for the GL810?

The GL810 is rated for 600V systems.

What is the temperature rating of the GL810?

The GL810 has a 90°C temperature rating.

What bolt size does the GL810 use?

The GL810 accommodates a #10 bolt size.

What is the purpose of the peep hole in the GL810?

The peep hole allows visual verification of full conductor insertion during installation.

Is the GL810 suitable for grounding applications?

Yes, the GL810 is UL467 listed for grounding and bonding applications.

What is the maximum KV rating for the GL810?

The GL810 is listed for 35KV maximum when properly installed.

What is the barrel inner diameter of the GL810?

The barrel inner diameter of the GL810 is 0.173".

What is the barrel outer diameter of the GL810?

The barrel outer diameter of the GL810 is 0.272".

What is the length of the GL810?

The GL810 has a length of 0.42".

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, Insulation tape

  1. Strip the conductor

    Carefully strip the insulation from the conductor to a length that allows the stripped conductor to fill the barrel of the connector completely. Avoid 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 the conductor

    Insert the cleaned and stripped conductor completely into the barrel of the connector, ensuring it is fully seated.

  4. Crimp the connector

    Use the appropriate crimping tool to crimp the connector securely onto the conductor, following the manufacturer's crimp locations indicated on the barrel.

  5. Verify the connection

    Use a multimeter to check the continuity of the connection, ensuring that there are no breaks or high resistance in the circuit.

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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.

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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.

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