NSI Industries GRC-100H - We built the NSI GRC-100H Heavy Duty Silicon Bronze 1" Ground Clamp for demanding applications including direct burial, where the simple mechanical design and reliable clamping power of the screw outperform other options. 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.
NSI Industries

GRC-100H

UPC: 662381010575

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Overview

The NSI GRC-100H Heavy Duty Silicon Bronze Ground Clamp (SKU: GRC-100H) is engineered for the most demanding grounding applications, including direct burial in earth or concrete. Constructed from high-strength silicon bronze for both the body and the screw, this clamp ensures maximum durability and reliable, powerful clamping force. It is UL-listed for direct burial, providing peace of mind in harsh environments. The GRC-100H is designed to accommodate a wide range of ground wire sizes, from 8 SOL to 4/0 STR, and fits 1" ground rods. Its robust mechanical design and superior clamping capabilities make it an exceptional choice over other grounding clamp options. The simple mechanical design and reliable clamping power of the screw outperform other options in demanding applications. Professionals trust NSI Industries for dependable, cost-effective grounding and bonding solutions in the field. This clamp exemplifies NSI's commitment to excellent material quality and flexible, reliable designs. Ensure your grounding system's integrity with the NSI GRC-100H, a product built for performance and longevity in critical infrastructure applications. The GRC-family clamps with the -SB suffix have a body and screw made from silicon bronze for maximum strength. Stock products you can rely on—stock NSI.
  • Heavy Duty: When ordered with a suffix of -SB, the silicon bronze clamp body and tightening screw are durably strong in demanding environments
  • Range of Sizes: Clamp body fits snugly over 1" grounding rods, with room to tighten the clamping screw onto a range of 8 AWG solid to 4/0 AWG stranded conductors
  • Simple Design: The simple mechanical design features a tightening screw and a clamp body sized for 1" rods, making this an ideal choice for heavy-duty buried grounding
  • Direct Burial: The reliable NSI grounding and bonding products meet or exceed UL performance standards for direct burial in earth or concrete
  • Simple mechanical design ensures reliable performance.

Specifications

Application
Grounding Wire
Clamp Material
8 SOL - 4/0 STR
Connection Type
Screw Clamp
Insulation Material
Silicon Bronze
Material
Silicon Bronze
Mounting Type
Direct Burial
Series
GRC
Size
1" in
Special Features
1 Ground Rod Clamp - Stainless Steel Hardware IN
Standard
cULus
Type
Ground Rod Clamps Heavy Duty
Warranty
1 Year
Package Dimensions (L x W x H)
1.049 IN x 1.324 IN x 2.405 IN
Package Dimensions (L x W x H)
2.6645 cm x 3.363 cm x 6.1087 cm
Package Weight (Imperial)
0.248 L
Package Weight (Metric)
0.112 kg
We built the NSI GRC-58 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-58 Grounding Rod Clamp fits over 5/8" grounding rod and 1/2" 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.

GRC-58

We built the NSI GRC-58 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-58 Grounding Rod Clamp fits over 5/8" grounding rod and 1/2" 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.
The NSI G-1-SDB Heavy Duty Bronze Ground Clamp for Direct Burial grips on pipes between 1/2" to 1" in diameter and is suitable for direct burial applications. The 304 stainless steel screws and cast bronze clamp body are made of economical, high-quality metals that provide durable performance in a range of applications. UL Listed 467 for Grounding and Bonding. Stock products you can rely on—stock NSI.

G-1-SDB

The NSI G-1-SDB Heavy Duty Bronze Ground Clamp for Direct Burial grips on pipes between 1/2" to 1" in diameter and is suitable for direct burial applications. The 304 stainless steel screws and cast bronze clamp body are made of economical, high-quality metals that provide durable performance in a range of applications. UL Listed 467 for Grounding and Bonding. Stock products you can rely on—stock NSI.
NSI GLC-12HDB Heavy Duty Direct Burial Ground Clamps grip on pipes between 1/2" to 1" in diameter and are the ultimate ground clamps for securing just about any size ground wire in just about any application. The bronze body and pre-assembled 304 stainless steel screws are made of economical, high-quality metals that provide durable performance in a range of applications. The horizontal lay-in lug design of these clamps provides ultimate flexibility when securing large conductors and can accommodate wires in the range of 10 to 2 STR. Use this heavy-duty ground clamp to secure ground wire to copper water pipes, tubing, rebar and ground rods up to 1" in diameter. UL Listed for direct burial in both earth and concrete. UL Listed 467 for grounding and bonding. Stock products you can rely on—stock NSI.

GLC-12HDB

NSI GLC-12HDB Heavy Duty Direct Burial Ground Clamps grip on pipes between 1/2" to 1" in diameter and are the ultimate ground clamps for securing just about any size ground wire in just about any application. The bronze body and pre-assembled 304 stainless steel screws are made of economical, high-quality metals that provide durable performance in a range of applications. The horizontal lay-in lug design of these clamps provides ultimate flexibility when securing large conductors and can accommodate wires in the range of 10 to 2 STR. Use this heavy-duty ground clamp to secure ground wire to copper water pipes, tubing, rebar and ground rods up to 1" in diameter. UL Listed for direct burial in both earth and concrete. UL Listed 467 for grounding and bonding. Stock products you can rely on—stock NSI.
The NSI G-1-SDBR Heavy Duty Bronze Ground Clamp for Direct Burial grips on pipes between 1/2" to 1" in diameter and rebar from 3/8" to 1" in diameter for quick and easy wire grounding. Suitable for direct burial, this ground clamp comes with 304 stainless steel screws and a cast bronze clamp body. These economical, high-quality metals provide durable performance in a range of applications. cULus Listed 467 for Grounding and Bonding. Stock products you can rely on—stock NSI.

G-1-SDBR

The NSI G-1-SDBR Heavy Duty Bronze Ground Clamp for Direct Burial grips on pipes between 1/2" to 1" in diameter and rebar from 3/8" to 1" in diameter for quick and easy wire grounding. Suitable for direct burial, this ground clamp comes with 304 stainless steel screws and a cast bronze clamp body. These economical, high-quality metals provide durable performance in a range of applications. cULus Listed 467 for Grounding and Bonding. Stock products you can rely on—stock NSI.
NSI GLC-12DB Heavy Duty Direct Burial Ground Clamps grip on pipes between 1/2" to 1" in diameter and are the ultimate ground clamps for securing just about any size ground wire in just about any application. The bronze body and pre-assembled 304 stainless steel screws are made of economical, high-quality metals that provide durable performance in a range of applications. The lay-in lug design of these clamps provides ultimate flexibility when securing large conductors and can accommodate wires in the range of 10 to 2 STR. Use this heavy-duty ground clamp to secure ground wire to copper water pipes, tubing, rebar and ground rods up to 1" in diameter. UL Listed for direct burial in both earth and concrete. UL Listed 467 for grounding and bonding. Stock products you can rely on—stock NSI.

GLC-12DB

NSI GLC-12DB Heavy Duty Direct Burial Ground Clamps grip on pipes between 1/2" to 1" in diameter and are the ultimate ground clamps for securing just about any size ground wire in just about any application. The bronze body and pre-assembled 304 stainless steel screws are made of economical, high-quality metals that provide durable performance in a range of applications. The lay-in lug design of these clamps provides ultimate flexibility when securing large conductors and can accommodate wires in the range of 10 to 2 STR. Use this heavy-duty ground clamp to secure ground wire to copper water pipes, tubing, rebar and ground rods up to 1" in diameter. UL Listed for direct burial in both earth and concrete. UL Listed 467 for grounding and bonding. Stock products you can rely on—stock NSI.
The NSI G-6-S Bronze Ground Clamp for Water Pipe, grips on water pipes between 4-1/2" to 6" in diameter for quick and easy assembly. The zinc-plated steel screws and cast bronze clamp body are made of economical, high-quality metals that provide durable performance in a range of applications. Use this clamp to easily bond bare copper wire to a water pipe or for use as a water meter shunt. cULus Listed 467 for Grounding and Bonding. Stock products you can rely on—stock NSI.

G-6-S

The NSI G-6-S Bronze Ground Clamp for Water Pipe, grips on water pipes between 4-1/2" to 6" in diameter for quick and easy assembly. The zinc-plated steel screws and cast bronze clamp body are made of economical, high-quality metals that provide durable performance in a range of applications. Use this clamp to easily bond bare copper wire to a water pipe or for use as a water meter shunt. cULus Listed 467 for Grounding and Bonding. Stock products you can rely on—stock NSI.
The NSI EG-9 Bronze Ground Clamp for Rigid Conduit grips on pipes between 1/2" to 1" in diameter and features a 1" adapter hub that swings 360 degrees to make alignment simple. 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.

EG-9

The NSI EG-9 Bronze Ground Clamp for Rigid Conduit grips on pipes between 1/2" to 1" in diameter and features a 1" adapter hub that swings 360 degrees to make alignment simple. 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.
The NSI EG-15 Bronze Ground Clamp for Rigid Conduit grips on pipes between 2-1/2" to 4" in diameter and features a 1/2" adapter hub that swings 360 degrees to make alignment simple. 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. cULus Listed 467 for Grounding and Bonding. Stock products you can rely on—stock NSI.

EG-15

The NSI EG-15 Bronze Ground Clamp for Rigid Conduit grips on pipes between 2-1/2" to 4" in diameter and features a 1/2" adapter hub that swings 360 degrees to make alignment simple. 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. cULus Listed 467 for Grounding and Bonding. Stock products you can rely on—stock NSI.
We built the NSI GRC-50 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 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.

GRC-50

We built the NSI GRC-50 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 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.
The NSI G-1-SDB-SB Heavy Duty Bronze Ground Clamp for Direct Burial grips on pipes between 1/2" to 1" in diameter and is suitable for direct burial applications. Ground clamps ending with suffix -SB come with silicon bronze screws and a cast bronze clamp body. These economical, high-quality metals provide durable performance in a range of applications and an extended life over stainless-steel components. UL Listed 467 for Grounding and Bonding. Stock products you can rely on—stock NSI.

G-1-SDB-SB

The NSI G-1-SDB-SB Heavy Duty Bronze Ground Clamp for Direct Burial grips on pipes between 1/2" to 1" in diameter and is suitable for direct burial applications. Ground clamps ending with suffix -SB come with silicon bronze screws and a cast bronze clamp body. These economical, high-quality metals provide durable performance in a range of applications and an extended life over stainless-steel components. UL Listed 467 for Grounding and Bonding. Stock products you can rely on—stock NSI.
The NSI UC-121 Bronze Heavy Duty U-Bolt Clamp is designed to grip rods and ground 1-1/4" 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-121

The NSI UC-121 Bronze Heavy Duty U-Bolt Clamp is designed to grip rods and ground 1-1/4" 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.
We built the NSI GRC-58H Heavy Duty Silicon Bronze 5/8" Ground Clamp for demanding applications including direct burial, where the simple mechanical design and reliable clamping power of the screw outperform other options. 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.

GRC-58H

We built the NSI GRC-58H Heavy Duty Silicon Bronze 5/8" Ground Clamp for demanding applications including direct burial, where the simple mechanical design and reliable clamping power of the screw outperform other options. 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.

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.