I-beam ground clamps are essential for secure bonding of grounding conductors to steel structures in industrial, commercial, and residential settings. This article highlights top-rated options, explains how they work, and provides a practical buying guide to help you choose the right clamp for your project. Below you’ll find concise product sections, a quick summary table, and key considerations for safe, reliable grounding connections.
| Product | Brand | Wire Range | Notes |
|---|---|---|---|
| Skywalker I-Beam Ground Clamp | Skywalker | 10 AWG | UL-Listed; bonds copper to steel |
| THE CIMPLE CO I Beam Style Ground Clamp (1 Pack) | THE CIMPLE CO | 10 AWG | Preinstalled hardware; galvanized steel |
| Morris 91717 I Beam Ground Clamp | Morris Products | 2/0-250 MCM | Copper alloy, stainless hardware |
| DEELEDM 8Pcs Beam Clamp | DEELEDM | 1/2″ threaded rod | Zinc-plated iron; durable and adjustable |
| Thomas & Betts Copper Beam Grounding Clamp | Thomas & Betts | 14-6 (wire range) | Copper grounding clamp; solid construction |
Skywalker I-Beam Ground Clamp

The Skywalker I-Beam Ground Clamp is designed to clamp a ground wire to an I-beam and bond copper wire to a steel structure. It is listed for safety and reliability, offering compatibility with 10 AWG wire. The clamp helps create a secure bonding path essential for building grounding systems in commercial and industrial environments.
THE CIMPLE CO I Beam Style Ground Clamp (1 Pack)

This galvanized, heavy-duty I-beam clamp is designed for grounding a wire to an I-beam with preinstalled hardware. It supports stranded or solid wire and is UL-listed, making it suitable for antenna, satellite dish, or cable TV grounding scenarios. The sturdy construction helps ensure long-term performance in challenging environments.
THE CIMPLE CO I Beam Style Ground Clamp (1 Pack)

This clamp provides a secure bonding connection between ground wire and an I-beam, with preinstalled hardware and corrosion-protected screws. Cast from highly conductive galvanized steel, it delivers solid grounding performance for reliable electrical installations.
THE CIMPLE CO I Beam Style Ground Clamp (4 Pack)

A value option for multiple grounding points, this 4-pack uses galvanized steel construction with preinstalled hardware. It is designed to provide sturdy, reliable grounding connections for commercial-grade applications requiring several clamps along a single I-beam.
Morris 91717 I Beam Ground Clamp

The Morris 91717 I-Beam Ground Clamp isolates from the beam and accommodates a broad wire range from 2/0 to 250 MCM. Made from high-conductivity copper alloy with stainless hardware, it is built for heavy-duty grounding tasks across industrial, agricultural, and residential settings.
DEELEDM 8Pcs Beam Clamp

This 8-pack of adjustable beam clamps is zinc-plated for rust resistance and designed to fit 1/2 inch threaded rods. It features a 1-inch jaw opening and a robust load rating suitable for typical construction and electrical setups, offering flexibility for multiple mounting points on joists or beams.
Sigma Electric ProConnex 49004 Beam Clamp

The Sigma Electric ProConnex 49004 features a mounting base for conduit hangers, with a 1/4-20 threaded hole and a 13/16″ jaw opening. It is suitable for beam thicknesses from 1/8″ to 1/2″, providing versatility for mounting and grounding within electrical installations and support systems.
Thomas & Betts Copper Beam Grounding Clamp

Thomas & Betts offers a copper beam grounding clamp with a recommended wire range of 14 to 6. The clamp is recognized for dependable grounding performance, with emphasis on copper construction for strong, low-resistance bonding to metal beams in various installations.
Buying Guide
Key purchase considerations for i-beam ground clamps include wire compatibility, beam compatibility, material and corrosion resistance, hardware inclusions, and ease of installation.
- Wire range and compatibility: Ensure the clamp supports the conductor sizes you plan to bond, from small AWG conductors to large MCM wires if needed.
- Beam compatibility: Verify jaw opening, clamp style, and mounting method match your I-beam dimensions and whether you need isolated or continuous grounding loops.
- Material and finish: Galvanized steel, copper alloy, or zinc-plated options each offer different durability, corrosion resistance, and electrical characteristics for various environments.
- Hardware included: Preinstalled or included screws simplify installation and ensure the bonding path remains robust against vibration and weather.
- UL/Listed status: UL-listed clamps provide third-party safety validation, beneficial for code compliance in commercial projects.
- Installation considerations: Look for clamp designs that minimize beam damage, provide secure bite without requiring extensive tooling, and allow for future rework if needed.
- Quantity and pricing: For larger projects, consider packs that reduce handling time while ensuring uniform performance across multiple clamps.
Across these options, users should select clamps that align with their specific structural materials, environmental conditions, and grounding requirements. Safety, reliability, and conformity with local electrical codes are essential when configuring I-beam grounding systems for buildings, equipment, and outdoor installations.