NSI Industries GCA-2 - The NSI GCA-2 Aluminum Ground Clamp for 250 MCM to 6 AWG Aluminum and Copper Cables grips on water pipes, galvanized pipe or steel conduit between 1-1/4" to 2" IPS pipes. The high-strength extruded aluminum alloy design is plated to provide low-contact resistance and features zinc-plated steel set screws for long-term installation. Use this adjustable clamp to ground copper or aluminum cables to pipes and conduit in indoor environments. UL Listed 467 for Grounding and Bonding. Stock products you can rely on—stock NSI.
NSI Industries

GCA-2

UPC: 662381010018

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Overview

The NSI GCA-2 Aluminum Ground Clamp (SKU: GCA-2) is a UL Listed 467 compliant solution for reliable grounding and bonding applications. Engineered for versatility, this dual-rated clamp securely connects either aluminum or copper grounding conductors to water pipes, galvanized pipes, or steel conduit. Its robust construction features a high-strength, extruded aluminum alloy body, plated to ensure low-contact resistance for optimal conductivity. The clamp is designed to grip pipes with an IPS (Iron Pipe Size) diameter ranging from 1-1/4" to 2". The GCA-2 accommodates ground wire sizes from 250 MCM down to 6 AWG, providing a broad range of compatibility for various electrical installations. Installation is straightforward, utilizing zinc-plated steel set screws to achieve a tight and secure grip on the pipe. Once the clamp is firmly attached to the pipe, the grounding conductor is inserted into the designated grounding hole and secured. This adjustable clamping structure ensures a dependable connection, minimizing the risk of conductor pull-out. Ideal for indoor environments, the NSI GCA-2 is a trusted choice for professionals seeking durable and effective grounding solutions. Stock NSI products for reliable performance in the field.
  • Range of Sizes: GCA-2 clamp fits pipes between 1-1/4" to 2" in diameter and the adjustable aluminum set screw grounding hole fits 250 MCM to 6 AWG cables
  • Aluminum and Steel: The clamp is made from high-strength extruded aluminum, while the tightening screws are made from zinc-plated steel, both of which provide durable long-term use
  • Range of Applications: The simple design of this clamp is built to grip water pipes, galvanized pipes or steel conduits, allowing for greater installation flexibility
  • UL Listed: The reliable NSI grounding and bonding products meet or exceed UL 467 performance standards for grounding and bonding
  • Features zinc-plated steel set screws for secure installation.
  • UL Listed 467 for Grounding and Bonding.

Specifications

Application
Grounding Wire
Clamp Material
250 MCM-6 AWG
Connection Type
Set Screw
Insulation Material
Aluminum
Material
Extruded Aluminum Alloy, Zinc-Plated Steel
Mounting Type
Clamp-on (adjustable)
Series
GCA
Size
250 MCM to 6 AWG (for pipes 1-1/4" to 2" IPS)
Special Features
1 1/4-2 Pipe Size - Dual Rated Ground Clamp - Zinc Plated Screws IN
Standard
cULus
Type
Aluminum Ground Clamp
Warranty
1 Year
Package Dimensions (L x W x H)
3.76 IN x 0.828 IN x 2.93 IN
Package Dimensions (L x W x H)
9.5504 cm x 21.0312 mm x 7.4422 cm
Package Weight (Imperial)
0.430 L
Package Weight (Metric)
0.195 kg
The NSI GCA-4 Aluminum Ground Clamp for 250 MCM to 6 AWG Aluminum and Copper Cables grips on water pipes, galvanized pipe or steel conduit between 2-1/2" to 4" IPS pipes. The high-strength extruded aluminum alloy design is plated to provide low-contact resistance and features zinc-plated steel set screws for long-term installation. Use this adjustable clamp to ground copper or aluminum cables to pipes and conduit in indoor environments. UL Listed 467 for Grounding and Bonding. Stock products you can rely on—stock NSI.

GCA-4

The NSI GCA-4 Aluminum Ground Clamp for 250 MCM to 6 AWG Aluminum and Copper Cables grips on water pipes, galvanized pipe or steel conduit between 2-1/2" to 4" IPS pipes. The high-strength extruded aluminum alloy design is plated to provide low-contact resistance and features zinc-plated steel set screws for long-term installation. Use this adjustable clamp to ground copper or aluminum cables to pipes and conduit in indoor environments. UL Listed 467 for Grounding and Bonding. 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 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-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 G-12 Heavy Duty Bronze Water Pipe Ground Clamp grips on water pipes between 2-1/2" to 4"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. cULus Listed 467 for Grounding and Bonding. Stock products you can rely on—stock NSI.

G-12

The NSI G-12 Heavy Duty Bronze Water Pipe Ground Clamp grips on water pipes between 2-1/2" to 4"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. cULus Listed 467 for Grounding and Bonding. Stock products you can rely on—stock NSI.
The NSI GCA-1 Aluminum Ground Clamp for 1/0 - 14 AWG Aluminum and Copper Cables grips on water pipes, galvanized pipe or steel conduit between 1/2" to 1" IPS pipes. The high-strength extruded aluminum alloy design is plated to provide low-contact resistance and features zinc-plated steel set screws for long-term installation. Use this adjustable clamp to ground copper or aluminum cables to pipes and conduit in indoor environments. UL Listed 467 for Grounding and Bonding. Stock products you can rely on—stock NSI.

GCA-1

The NSI GCA-1 Aluminum Ground Clamp for 1/0 - 14 AWG Aluminum and Copper Cables grips on water pipes, galvanized pipe or steel conduit between 1/2" to 1" IPS pipes. The high-strength extruded aluminum alloy design is plated to provide low-contact resistance and features zinc-plated steel set screws for long-term installation. Use this adjustable clamp to ground copper or aluminum cables to pipes and conduit in indoor environments. UL Listed 467 for Grounding and Bonding. Stock products you can rely on—stock NSI.

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