NSI Industries GL35058B - 1 Hole Short Barrel Copper Compression Lug for Flexible Copper Cable 350 MCM- 5/8" Bolt Compression lugs for flexible copper cables are connects that have a gentle, continuous flared end to ensure ease of cable insertion of flexible and extra flexible cables such as locomotive, welding, mining cable and more. The flared end also reduces pressure on the cable strands after installation and protects them from chafing and breakage as a result of cable movement. Tin-plated for corrosion resistance. Rated 600 volts for copper cables only. Single mounting hole.
NSI Industries

GL35058B

UPC: 662381336521


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Installation Instructions

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Overview

The NSI Industries GL35058B is a single-hole, short-barrel copper compression lug engineered for connecting flexible and extra-flexible copper cables in demanding industrial applications. Designed for 350 MCM cable with a 5/8" bolt size, this lug ensures reliable electrical connections in locomotive, welding, mining, and other high-vibration environments. The connector features a gentle, continuous flared end that simplifies cable insertion, reducing damage to delicate cable strands during installation. Post-installation, the flared design minimizes pressure on cable conductors, protecting against chafing and breakage caused by cable movement. Constructed from high-conductivity copper tubing and tin-plated for corrosion resistance, the GL35058B delivers long-term reliability in harsh conditions. Rated for 600 volts and UL486A listed, this lug is exclusively compatible with copper cables. The single mounting hole enables straightforward installation with standard hardware. UL467 grounding and bonding certified for sizes 8 AWG to 3/0 AWG. Temperature rating: 90°C. Part of NSI Industries' GL series, this lug is manufactured in the USA and distributed by Gross Automation. For optimal performance, use with NSI N12ID dieless compression tool or UL-listed tools per catalog specifications.
  • Single-hole design for easy mounting with 5/8" bolt
  • Flared end simplifies cable insertion and reduces strand damage
  • Tin-plated copper construction resists corrosion and ensures low contact resistance
  • UL486A listed for 600V applications; UL467 grounding & bonding certified
  • Temperature rating: 90°C; compatible with flexible copper cables only

Specifications

Application
Terminate, Splice, Tap Power Connectors
Cable Size
350 MCM (STR)
Color
Red
Connection Type
Compression Lug
Environmental Conditions
90 C
Finish
Tin Plated
Material
Copper
Material
Copper, Tin-Plated
Mounting
5/8 Mounting Hole
Mounting Type
Single mounting hole
Number Of Holes
1
Series
GL35058B
Size
L=2.61 - W=1.28 - OD=.870 - ID=.700
Special Features
350 MCM (STR) - 5/8 Mounting Hole
Standard
UL486A/B
Stud Size
5/8 IN
Type
Short Barrel - One Hole - Belled End
Voltage Rating
600 V
Warranty
1 Year
Package Dimensions (L x W x H)
2.91 IN x 1.28 IN x 0.875 IN
Package Dimensions (L x W x H)
7.3914 cm x 3.2512 cm x 22.225 mm
Package Weight (Imperial)
2.280 L
Package Weight (Metric)
1.034 kg
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U-Type Compression Die - Black 2/0 AWG Copper U-Shaped Compression Dies are for use with the NSi-12 Compression Tool and Other Tools. See Cross-Reference Chart below.

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Power Distribution Block (1) 2/0-14 AWG Primary (6) 4-14 AWG Secondary Power Distribution Blocks are made of high strength, high-conductivity aluminum alloy and are mounted in a high-strength glass-filled polyester base. Each block can stand alone or combine with other blocks to form a multi-block set.

AS-K1-H6

Power Distribution Block (1) 2/0-14 AWG Primary (6) 4-14 AWG Secondary Power Distribution Blocks are made of high strength, high-conductivity aluminum alloy and are mounted in a high-strength glass-filled polyester base. Each block can stand alone or combine with other blocks to form a multi-block set.
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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How to Install Copper Compression Connectors

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

Estimated time: 30m

Tools needed:

Wire strippers, Crimping tool, Wire brush

Supplies needed:

Copper compression connectors, Cable

  1. Strip the conductor

    Carefully strip the insulation from the conductor without nicking the strands, ensuring the stripped length allows for complete insertion into the connector barrel.

  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 connector barrel, ensuring it fills the barrel fully.

  4. Crimp the connector

    Using the appropriate crimping tool, apply pressure to crimp the connector securely onto the conductor, following the manufacturer's suggested crimp locations.

  5. Verify the connection

    Inspect the crimped connection to ensure it is secure and that there are no visible gaps or loose strands.

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.

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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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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.

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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.

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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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