NSI Industries 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.
NSI Industries

GLC-12HDB

UPC: 662381005366

Contact for Pricing

Overview

The NSI Industries GLC-12HDB Heavy Duty Direct Burial Ground Clamp (SKU: GLC-12HDB) is engineered for ultimate grounding and bonding reliability in demanding direct burial applications. Constructed from durable bronze with pre-assembled 304 stainless steel screws, this clamp offers exceptional longevity and corrosion resistance in earth and concrete environments. Its robust design accommodates pipes from 1/2" to 1" IPS and secures ground wires ranging from #10 to 2 STR, providing versatile application for copper water pipes, tubing, rebar, and ground rods up to 1" in diameter. The innovative horizontal lay-in lug design offers superior flexibility for securing large conductors, simplifying installation and ensuring a secure connection. This clamp is UL Listed for direct burial in both earth and concrete, meeting UL 467 requirements for grounding and bonding, ensuring compliance and safety. The bronze body and stainless steel components deliver economical yet high-quality performance, making it a cost-effective solution for professionals. With a maximum pipe diameter of 1" and wire range of #10 to 2 STR, it handles a wide variety of grounding needs. The pre-assembled screws eliminate additional hardware requirements, streamlining installation. NSI Industries provides a reliable, stocked product that meets industry standards for durability and performance in critical grounding applications. Choose the GLC-12HDB for its high-quality materials, flexible design, and proven performance in direct burial environments.
  • Large Ground Wires: NSI heavy-duty ground clamps with lay-on lugs are the ultimate solution for grounding large wires to pipe, rebar and rods, accommodating wires from 10 to 2 STR
  • Horizontal Lay-In Feature: This ground clamp lay-in feature provides greater flexibility as compared to traditional grounding holes when securing conductors to the clamp for grounding
  • Bronze and Steel: The clamp is made from bronze, while the tightening screws are made from heavy-duty 304 stainless steel, both of which provide durable long-term use in just about any application
  • Listed Direct Burial: Use this heavy-duty ground clamp to ground conductors to copper water pipe, tubing, rebar and ground rods in direct burial applications in earth and concrete
  • UL Listed: The reliable NSI grounding and bonding products meet UL 467 performance standards for grounding and bonding

Specifications

Application
Grounding Wire
Clamp Material
Cast Bronze
Color
Bronze
Connection Type
Lay-in Lug, Screw Terminal
Insulation Color
Bronze
Insulation Material
Silicon Bronze
Length
2.362 IN
Material
Cast Bronze
Material
Bronze, 304 stainless steel
Mounting Type
Direct Burial (Earth/Concrete)
Series
GLC
Size
1/2" to 1" (pipe diameter), 10 to 2 AWG (wire size)
Special Features
UL 486D Listed
Standard
cULus
Type
Heavy Duty Direct Burial Lay-In Lug
Warranty
1 Year
Package Dimensions (L x W x H)
2.362 IN x 0.708 IN x 1.2 IN
Package Dimensions (L x W x H)
5.9995 cm x 17.9832 mm x 3.048 cm
Package Weight (Imperial)
0.310 L
Package Weight (Metric)
0.141 kg
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 G-1-SDBR-SB 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 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. cULus Listed 467 for Grounding and Bonding. Stock products you can rely on—stock NSI.

G-1-SDBR-SB

The NSI G-1-SDBR-SB 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 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. 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-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.
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.
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-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.
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.
The NSI GLC-4DBP Direct Burial Tin-Plated Copper Ground Connector makes quick work of grounding copper conductors in a variety of outdoor applications. The tin-plated copper body and stainless-steel screws are cULus Listed for direct burial in both earth and concrete when used with copper wiring. This connector’s lay-in lug design allows for greater flexibility when securing wires and accommodates conductors in the range of 4 to 14 AWG. The connector has a temperature rating of 90 °C and a voltage rating of 600V. cULus Listed 467 for grounding and bonding. UL A Listed 486 wire connector. Stock products you can rely on—stock NSI.

GLC-4DBP

The NSI GLC-4DBP Direct Burial Tin-Plated Copper Ground Connector makes quick work of grounding copper conductors in a variety of outdoor applications. The tin-plated copper body and stainless-steel screws are cULus Listed for direct burial in both earth and concrete when used with copper wiring. This connector’s lay-in lug design allows for greater flexibility when securing wires and accommodates conductors in the range of 4 to 14 AWG. The connector has a temperature rating of 90 °C and a voltage rating of 600V. cULus Listed 467 for grounding and bonding. UL A Listed 486 wire connector. 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.

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.