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NSI Industries 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.
NSI Industries

GRC-58H

UPC: 662381010551

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Overview

The NSI GRC-58H Heavy Duty Silicon Bronze Ground Clamp (SKU: GRC-58H) is engineered for superior performance in 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. Its robust mechanical design excels where other methods may falter. This clamp is specifically designed to fit over a 5/8" grounding rod, accommodating ground wire ranges from 10 SOL to 1/0 STR, with a maximum ground wire size of 1/0 STR. The silicon bronze screw provides exceptional clamping pressure, ensuring a secure and lasting connection. All GRC-family clamps with the -SB suffix, like the GRC-58H, are UL-listed for direct burial, offering peace of mind and code compliance in harsh environments. Key Features: * **Material:** Heavy Duty Silicon Bronze body and screw for maximum strength and corrosion resistance. * **Ground Rod Size:** Designed for 5/8" ground rods. * **Wire Range:** Accommodates 10 SOL – 1/0 STR ground wires. * **Certifications:** UL-listed for direct burial in earth or concrete. * **Design:** Simple, reliable mechanical screw clamping mechanism. NSI Industries is a trusted manufacturer known for providing reliable and affordable grounding and bonding solutions. The GRC-58H is a testament to this commitment, offering professionals a dependable product for critical infrastructure protection. Choose NSI for stock products you can rely on in the field.
  • 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 5/8" grounding rods, with room to tighten the clamping screw onto a range of 10 AWG solid to 1/0 AWG stranded conductors
  • Simple Design: The simple mechanical design features a tightening screw and a clamp body sized for 5/8" 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
  • Reliable screw clamping mechanism ensures secure connection.

Specifications

Application
Grounding Wire
Clamp Material
10 SOL - 1/0 STR
Insulation Material
Silicon Bronze
Special Features
5/8 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)
0.67 IN x 0.93 IN x 1.49 IN
Package Dimensions (L x W x H)
17.018 mm x 23.622 mm x 3.7846 cm
Package Weight (Imperial)
0.122 L
Package Weight (Metric)
0.055 kg
The NSI GRC-3834 Heavy Duty Silicon Bronze Range Taking Rod Clamp is the ultimate solution for flexible grounding to ground rods and rebar in direct burial applications. The heavy-duty silicon bronze construction enables the rod clamp to handle large ground wires up to 1/0 AWG. The special design of this clamp makes it compatible with 3/8", 1/2", 5/8" and 3/4" rebar and ground rods. Available with silicon bronze screws by adding suffix –SB, the GRC-3834 offers durable performance in tough environments. Ground rod clamp is UL Listed for direct burial in both earth and concrete. Stock products you can rely on—stock NSI.

GRC-3834

The NSI GRC-3834 Heavy Duty Silicon Bronze Range Taking Rod Clamp is the ultimate solution for flexible grounding to ground rods and rebar in direct burial applications. The heavy-duty silicon bronze construction enables the rod clamp to handle large ground wires up to 1/0 AWG. The special design of this clamp makes it compatible with 3/8", 1/2", 5/8" and 3/4" rebar and ground rods. Available with silicon bronze screws by adding suffix –SB, the GRC-3834 offers durable performance in tough environments. Ground rod clamp is UL Listed for direct burial in both earth and concrete. Stock products you can rely on—stock NSI.
Bronze Ground Clamp Connector, 3-Wire, Parallel to Pipe, 4 AWG SOL - 250 kcmil, 3/4" Pipe Size

GTW050-250-1

Bronze Ground Clamp Connector, 3-Wire, Parallel to Pipe, 4 AWG SOL - 250 kcmil, 3/4" Pipe Size
The NSI G-66 Bronze Ground Clamp with Wire Adapters grips on pipes between 1-1/4" to 2" in diameter and features a special pressure bar which grips wiring and lessens the chances of grounding conductor being pulled out. 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 clamp with wire adapters for connecting unarmored 4, 6, or 8 STR ground wire to water pipe for grounding. UL Listed 467 for Grounding and Bonding. Stock products you can rely on—stock NSI.

G-66

The NSI G-66 Bronze Ground Clamp with Wire Adapters grips on pipes between 1-1/4" to 2" in diameter and features a special pressure bar which grips wiring and lessens the chances of grounding conductor being pulled out. 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 clamp with wire adapters for connecting unarmored 4, 6, or 8 STR ground wire to water pipe for grounding. UL Listed 467 for Grounding and Bonding. Stock products you can rely on—stock NSI.
Use the GHM-50 360 Degree Swing Type Conduit Hub alongside NSI ground clamps with serrated hubs to ground copper grounding conductor to water pipes in indoor environments. This 1/2" adapter hub swings 360 degrees to make alignment simple and offer greater flexibility in installation. The zinc-plated steel screws and bronze hub are made of economical, high-quality metals that provide durable performance in a range of applications. Conduit hub allows for entry from any direction and fits 1/2" conduit or wire in the range of 10 SOL to 2/0 STR. Stock products you can rely on—stock NSI.

GHM-50

Use the GHM-50 360 Degree Swing Type Conduit Hub alongside NSI ground clamps with serrated hubs to ground copper grounding conductor to water pipes in indoor environments. This 1/2" adapter hub swings 360 degrees to make alignment simple and offer greater flexibility in installation. The zinc-plated steel screws and bronze hub are made of economical, high-quality metals that provide durable performance in a range of applications. Conduit hub allows for entry from any direction and fits 1/2" conduit or wire in the range of 10 SOL to 2/0 STR. Stock products you can rely on—stock NSI.
We built the NSI GRC-34H Heavy Duty Silicon Bronze 3/4" 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-34H

We built the NSI GRC-34H Heavy Duty Silicon Bronze 3/4" 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.
The NSI G-83 Ground Clamp for Rigid Conduit with Flexible Wire Strap, grips on pipes between 1/2" to 1" in diameter and features a 1" adapter hub connected to the clamp by a flexible copper strap. The wire strap and adapter both swing 360 degrees, making alignment simple. The copper strap provides additional flexibility during grounding and helps to protect the conduit system from results of vibrations in the water system. 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 clamp to attach ground wires from rigid conduit to water pipes in indoor environments. UL Listed 467 for Grounding and Bonding. Stock products you can rely on—stock NSI.

G-83

The NSI G-83 Ground Clamp for Rigid Conduit with Flexible Wire Strap, grips on pipes between 1/2" to 1" in diameter and features a 1" adapter hub connected to the clamp by a flexible copper strap. The wire strap and adapter both swing 360 degrees, making alignment simple. The copper strap provides additional flexibility during grounding and helps to protect the conduit system from results of vibrations in the water system. 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 clamp to attach ground wires from rigid conduit to water pipes in indoor environments. UL Listed 467 for Grounding and Bonding. Stock products you can rely on—stock NSI.
We built the NSI GRC-38 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-38 Grounding Rod Clamp fits over grounding rod with a diameter of 3/8" with room to tighten the clamping screw onto a range of 10 AWG solid to 4 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-38

We built the NSI GRC-38 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-38 Grounding Rod Clamp fits over grounding rod with a diameter of 3/8" with room to tighten the clamping screw onto a range of 10 AWG solid to 4 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.
We built the NSI GRC-34 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-34 Grounding Rod Clamp fits grounding rod with a diameter of 3/4" and rebar with a diameter of 5/8" with room to tighten the clamping screw onto a range of 10 AWG solid to 1 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-34

We built the NSI GRC-34 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-34 Grounding Rod Clamp fits grounding rod with a diameter of 3/4" and rebar with a diameter of 5/8" with room to tighten the clamping screw onto a range of 10 AWG solid to 1 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.

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.

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.

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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 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.

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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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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.