NSI Industries G-22 - The NSI G-22 Heavy Duty Bronze Ground Clamp for Rigid Conduit grips on pipes between 4-1/2" to 6" in diameter and features a 3/4" adapter hub that swings 360 degrees to make alignment simple. Heavy duty bronze adapters have serrations that match the serrations of the ground clamp, assuring a positive lock. The zinc-plated steel screws and bronze clamp body are made of economical, high-quality metals that provide durable performance in a range of applications. Use this interchangeable clamp to attach rigid conduit and ground conductors to water pipes in indoor environments. UL Listed 467 for Grounding and Bonding. Stock products you can rely on—stock NSI.
NSI Industries

G-22

UPC: 662381010254

Contact for Pricing

Overview

NSI grounding and bonding products rise to the occasion in a wide variety of indoor environments with excellent material quality and flexible designs. These heavy-duty bronze ground clamps offer a convenient and reliable solution for connecting rigid conduit and ground conductors to water pipes, using an adjustable clamping structure and a rotating hub adapter. Heavy duty bronze adapters have serrations that match the serrations on the ground clamp, assuring a positive lock. Grips onto pipes tightly by using the zinc-plated steel screws to tighten the clamp, then rotate the bronze hub in any direction to complete installation in any orientation. Additionally, all NSI grounding clamps feature interchangeable hubs to meet a wider range of needs on the jobsite. NSI products are designed to meet or exceed UL 467 requirements for grounding and bonding, delivering exceptional performance in demanding environments. Choose the brand that professionals trust for reliable, affordable grounding and bonding in the field—choose NSI.
  • Rotating Hub: Bronze hub rotates 360 degrees around the clamp to make alignment simple, no matter the direction of your install
  • Range of Sizes: The G-22 Heavy Duty Bronze Ground Clamp fits pipes between 4-1/2" to 6" in diameter and rotating bronze hub fits 3/4" rigid conduit or ground conductors
  • Bronze and Steel: The clamp and hub are made from bronze, while the tightening screws are made from reliable zinc-plated steel, both of which provide durable long-term use
  • Interchangeable Design: The adapters and hubs of NSI grounding clamps are interchangeable, allowing for adjustment on the fly and greater installation flexibility
  • UL Listed: The reliable NSI grounding and bonding products meet UL 467 performance standards for grounding and bonding

Specifications

Application
Grounding Wire
Clamp Material
10 SOL - 3/0 STR
Insulation Material
Silicon Bronze
Special Features
4 1/2-6 Pipe Size - 3/4 Hub Size - For Rigid Conduit IN
Standard
cULus
Type
Heavy Duty Bronze Ground Clamps
Warranty
1 Year
Package Dimensions (L x W x H)
8.227 IN x 1.244 IN x 5.05 IN
Package Dimensions (L x W x H)
20.8966 cm x 3.1598 cm x 12.827 cm
Package Weight (Imperial)
1.430 L
Package Weight (Metric)
0.649 kg
Pipe Ground Clamp Bronze Pipe Size 1-1/4 in - 2in - Wire Size 10 Solid - 2 Stranded for Bare Wire

PGCB125200

Pipe Ground Clamp Bronze Pipe Size 1-1/4 in - 2in - Wire Size 10 Solid - 2 Stranded for Bare Wire
Threaded Pipe Ground Hub, 3/4 in. size, Cast Bronze with Steel Screws, 5/16 in. mounting hole size, 3/4 in. pipe size

TPGH75

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GRC-50-SB

We built the NSI GRC-50-SB Standard Duty Silicon Bronze Grounding Rod Clamp for demanding applications including direct burial, where the simple mechanical design and reliable clamping power of the screw outperform other options. The GRC-50-SB Grounding Rod Clamp fits over 1/2" grounding rod and 3/8" rebar with room to tighten the clamping screw onto a range of 10 AWG solid to 2 AWG stranded conductors. GRC-family clamps with the -SB suffix have a body and screw made from silicon bronze for maximum strength, and the clamp is UL-listed for direct burial in earth or concrete. Stock products you can rely on—stock NSI.
Acorn Ground Rod Clamp, 5/8 in. size, 8 Solid to 2 Stranded conductor, Cast Bronze material, 20 per pack

AGRC58

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Clamp, Grounding Rod, Direct Burial, Bronze, Ground Pipe Grounding Electrode Size 3/4 Inch

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The NSI UC-101 Bronze Heavy Duty U-Bolt Clamp is designed to grip 1/2" rods and ground 1/4" IPS pipes in parallel or 90-degree positions with an easily adjusted, durably strong design. The high-copper-content alloy of the clamp provides excellent conductivity and heavy-duty strength, alongside the silicon bronze nuts and lockwashers. Use this U-bolt for demanding applications in harsh environments, including direct burial in earth or concrete. UL Listed 467 for Grounding and Bonding. Stock products you can rely on—stock NSI.

UC-101

The NSI UC-101 Bronze Heavy Duty U-Bolt Clamp is designed to grip 1/2" rods and ground 1/4" IPS pipes in parallel or 90-degree positions with an easily adjusted, durably strong design. The high-copper-content alloy of the clamp provides excellent conductivity and heavy-duty strength, alongside the silicon bronze nuts and lockwashers. Use this U-bolt for demanding applications in harsh environments, including direct burial in earth or concrete. UL Listed 467 for Grounding and Bonding. Stock products you can rely on—stock NSI.
Clamp, Ground, Direct Burial, Bronze, Strap Type

DB-1308

Clamp, Ground, Direct Burial, Bronze, Strap Type
Split Bolt Ground Connector, #10 Solid - #6 Solid AWG conductor size, Silicon Bronze material

SBC2

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Copper clamps with 24" tinned copper braid. Braid equivalent to 1 GA,-4" movement.

BJ-200

Copper clamps with 24" tinned copper braid. Braid equivalent to 1 GA,-4" movement.
Threaded Pipe Ground Hub, 1 in. size, Cast Bronze with Steel Screws, 5/16 in. mounting hole size, 1 in. pipe size

TPGH100

Threaded Pipe Ground Hub, 1 in. size, Cast Bronze with Steel Screws, 5/16 in. mounting hole size, 1 in. pipe size
The NSI UC-105 Bronze Heavy Duty U-Bolt Clamp is designed to grip 5/8" to 3/4" rods and ground 3/8" IPS pipes in parallel or 90-degree positions with an easily adjusted, durably strong design. The high-copper-content alloy of the clamp provides excellent conductivity and heavy-duty strength, alongside the silicon bronze nuts and lockwashers. Use this U-bolt for demanding applications in harsh environments, including direct burial in earth or concrete. UL Listed 467 for Grounding and Bonding. Stock products you can rely on—stock NSI.

UC-105

The NSI UC-105 Bronze Heavy Duty U-Bolt Clamp is designed to grip 5/8" to 3/4" rods and ground 3/8" IPS pipes in parallel or 90-degree positions with an easily adjusted, durably strong design. The high-copper-content alloy of the clamp provides excellent conductivity and heavy-duty strength, alongside the silicon bronze nuts and lockwashers. Use this U-bolt for demanding applications in harsh environments, including direct burial in earth or concrete. UL Listed 467 for Grounding and Bonding. Stock products you can rely on—stock NSI.
Acorn Ground Rod Clamp, 1/2 in. size, 8 Solid to 2 Stranded conductor, Cast Bronze material, 20 per pack

AGRC50

Acorn Ground Rod Clamp, 1/2 in. size, 8 Solid to 2 Stranded conductor, Cast Bronze material, 20 per pack

Frequently Asked Questions about NSI Industries

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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 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.

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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.

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.

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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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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.

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