NSI Industries RC58 - The NSI RC58 Heavy Duty Rebar Ground Clamp with Adapter and Screw grips on 5/8" rebar for heavy-duty wire grounding in harsh outdoor environments. The lay-in style clamp allows for continuous loop wiring and will fit conductors in the range of 6 SOL to 2/0 STR Additionally, the stainless-steel hardware and cast silicon bronze clamp body are made from tough, high-quality metals that provide durable performance in the harshest outdoor environments. UL Listed for direct burial, use this clamp to ground copper wire in any commercial, industrial or maintenance application where ground wiring needs to be connected to rebar. UL Listed 467 for Grounding and Bonding/Direct Bury when used with conductor in the range of 4 STR to 2 STR. Stock products you can rely on—stock NSI.
NSI Industries

RC58

UPC: 662381010926

Contact for Pricing

Overview

The NSI RC58 Heavy Duty Rebar Ground Clamp (SKU: RC58) from NSI Industries is a rugged, UL 467-listed grounding solution designed for direct burial in harsh outdoor environments. Engineered to grip 5/8" diameter rebar, this lay-in style clamp accommodates copper conductors ranging from 6 AWG solid to 2/0 AWG stranded, providing a secure and continuous loop wiring solution for commercial, industrial, and maintenance applications. The clamp features a cast silicon bronze body paired with stainless-steel hardware, ensuring corrosion resistance and long-term durability in corrosive or wet conditions. UL Listed for direct burial and compliant with UL 467 for Grounding and Bonding, the RC58 meets stringent safety standards for grounding and bonding applications. Its design allows for easy installation without the need for specialized tools, making it ideal for pool and spa installations, utility grounding, and general electrical maintenance. The clamp’s compatibility with a broad range of conductor sizes (6 SOL to 2/0 STR) and its ability to handle direct burial environments make it a versatile choice for professionals requiring reliable, code-compliant grounding solutions. NSI Industries, a trusted US-based manufacturer, delivers products designed to exceed industry requirements, ensuring peace of mind in critical applications.
  • Lay-In Clamp: The lay-in style clamp design allows for continuous loop wiring and fits conductors in the range of 6 SOL to 2/0 STR
  • Bronze and Steel: The clamp body is made from cast silicon bronze, while the tightening hardware is made from strong stainless steel, both of which provide durable long-term use
  • Heavy-Duty Burial: Use heavy-duty rebar ground clamps to ground copper wiring in any commercial, industrial or maintenance application where conductors need to be connected to rebar
  • UL Listed: The reliable NSI grounding and bonding products meet UL 467 performance standards for grounding and bonding, and ground clamp are also Listed for direct burial
  • Lay-in style design allows for continuous loop wiring

Specifications

Application
Grounding Wire
Connection Type
Lay-in Clamp
Material
Silicon Bronze
Size
5/8" rebar
Special Features
5/8 Rebar Clamp IN
Type
Rebar Clamp
Warranty
1 Year
Package Dimensions (L x W x H)
1.613 IN x 0.805 IN x 1.475 IN
Package Dimensions (L x W x H)
4.097 cm x 20.447 mm x 3.7465 cm
Package Weight (Imperial)
0.195 L
Package Weight (Metric)
0.088 kg
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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.
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.

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.
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.
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.
The NSI G-140DB Extra Heavy Duty Direct Burial Ground Clamp grips on 1/2" to 1"pipes and 3/8" to 1" rebar for reliable grounding in direct burial applications. 304 stainless steel screws and a silicon bronze body are made from tough, high-quality metals that provide durable performance in a range of applications. Use this clamp to quickly and easily ground wires to copper water pipes, copper tubing, rebar and ground rods up to 1" in diameter. Clamp accommodates ground wires from 8 AWG to 4/0 AWG. Listed for direct burial in both earth and concrete. cULus Listed 467 for Grounding and Bonding. Stock products you can rely on—stock NSI.

G-140DB

The NSI G-140DB Extra Heavy Duty Direct Burial Ground Clamp grips on 1/2" to 1"pipes and 3/8" to 1" rebar for reliable grounding in direct burial applications. 304 stainless steel screws and a silicon bronze body are made from tough, high-quality metals that provide durable performance in a range of applications. Use this clamp to quickly and easily ground wires to copper water pipes, copper tubing, rebar and ground rods up to 1" in diameter. Clamp accommodates ground wires from 8 AWG to 4/0 AWG. Listed for direct burial in both earth and concrete. cULus Listed 467 for Grounding and Bonding. 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.
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-58-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-58-SB 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-SB

We built the NSI GRC-58-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-58-SB 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.
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-2-SDB-SB Heavy Duty Bronze Ground Clamp for Direct Burial grips on pipes between 1-1/4" to 2" 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-2-SDB-SB

The NSI G-2-SDB-SB Heavy Duty Bronze Ground Clamp for Direct Burial grips on pipes between 1-1/4" to 2" 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 G-1 Heavy Duty Bronze Ground Clamp for Water Pipe grips on water pipes between 1/2" to 1" in diameter with its serrated body. 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 quickly and easily ground wires to water pipes with the included set screw. Designed for use alone or with heavy-duty bronze adapters. UL Listed 467 for Grounding and Bonding. Stock products you can rely on—stock NSI.

G-1

The NSI G-1 Heavy Duty Bronze Ground Clamp for Water Pipe grips on water pipes between 1/2" to 1" in diameter with its serrated body. 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 quickly and easily ground wires to water pipes with the included set screw. Designed for use alone or with heavy-duty bronze adapters. UL Listed 467 for Grounding and Bonding. Stock products you can rely on—stock NSI.
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.

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.