The NSI RC50 Heavy Duty Rebar Ground Clamp with Adapter and Screw grips on 1/2" 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 8 SOL to 4 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. cULus Listed 467 for Grounding and Bonding/Direct Bury. 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.

Use NSI GSC Combo Slotted Hex Ground Screws to ground solid pigtail and ring terminals when running ground conductor in a wide variety of applications. Screws are designed with a wide flat flange to distribute pressure and ensure solid electrical connections. Pack of 100. 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.

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.

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.

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.

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.

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.