Ground Clamp, Direct Burial, Bronze 8 STR- 4/0 STR 1/2 - 1" Wire Range Pipe Size
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SKU: 880-22312
757 in stock
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Heavy-Duty Silicon-Bronze Ground Clamp — 8 AWG–4/0 AWG | 3/8″–1″ Rod & Pipe | UL 467 / cULus Listed
Build a code-compliant grounding electrode system with the Conversions Tech Heavy-Duty Silicon-Bronze Ground Clamp. Its high-conductivity silicon-bronze body and stainless-steel set screws deliver a corrosion-resistant, low-resistance bond between #8–4/0 AWG conductors and rods, rebar, or water pipe from 3/8″ to 1″. UL 467 / cULus listed and rated for direct burial in earth or concrete, this clamp is trusted by professionals for commercial, industrial, agricultural, and residential applications.
Top Reasons to Choose This Clamp
- Direct-Bury Rated: Silicon-bronze alloy resists corrosion from soil, concrete, and moisture exposure.
- Wide Rod & Pipe Range: Fits ⅜″, ½″, ⅝″, ¾″, and 1″ ground rods or IPS water pipe.
- Broad Conductor Window: Accepts #8 AWG through 4/0 AWG stranded copper or aluminum conductors.
- UL 467 & cULus Listed: Fully certified for grounding and bonding applications in the U.S. and Canada.
- Heavy-Duty Build: Thick silicon-bronze casting and stainless-steel hardware provide high clamping force and long service life.
Technical Specifications
| Body Material | High-conductivity Silicon Bronze |
| Hardware | Stainless-Steel Set Screws |
| Conductor Range | #8 AWG – 4/0 AWG stranded Cu or Al |
| Rod / Pipe Range | 3/8″ – 1″ ground rod, rebar, water pipe, or IPS tubing |
| Overall Dimensions | L 2.362″ × W 0.669″ × H 1.761″ |
| Weight | 0.45 lb (0.20 kg) |
| Certification | UL 467 • cULus Listed for Grounding & Bonding (Direct Burial) |
| Applications | Earth & Concrete Direct-Burial Grounding |
| Origin | USA *Stock product may be sourced elsewhere. |
Ideal Applications
- Ground Rod Bonding: Secure GECs to copper-clad or galvanized steel ground rods.
- Rebar & Ufer Grounds: Connect wire to ⅜″–1″ rebar in concrete grounding systems.
- Water Pipe Grounding: Clamp to ½″–1″ metallic plumbing per NEC® requirements.
- Lightning Protection: Provide a low-impedance path for strike energy dissipation.
- Utility / Telecom Installations: Use for tower grounding, pad-mount transformers, and solar PV arrays.
Frequently Asked Questions (FAQs)
1. What material is the Heavy-Duty Ground Clamp made from?
The clamp is made from high-conductivity silicon bronze with stainless-steel set screws for superior corrosion resistance and strength.
2. What rod and pipe sizes does this clamp fit?
It fits 3/8″ to 1″ ground rods, rebar, or IPS water pipe — covering all common grounding and bonding applications.
3. What conductor range does this clamp accept?
It accommodates #8 AWG to 4/0 AWG stranded copper or aluminum grounding conductors.
4. Is this ground clamp UL Listed for direct burial?
Yes. It is UL 467 and cULus listed for grounding and bonding, rated for direct burial in earth or concrete.
5. Can this clamp be used for lightning protection systems?
Absolutely. The low-resistance silicon-bronze design provides a safe, efficient grounding path for lightning protection and surge dissipation.
6. What makes this ground clamp heavy-duty?
The thick bronze body and stainless hardware deliver high clamping force, superior conductivity, and long service life — even in corrosive environments.
Why Pros Buy Direct from Conversions Tech
Engineered in the USA. Our U.S.-based engineering team designs and specifies our core product lines, and every product we carry — designed in-house or built to our exact specifications by certified partner factories — is quality-verified before it ships. UL/CSA listed where required, NEC compliant.
Cross-reference savings. Direct equivalents to Burndy, Hubbell, and other OEM part numbers at up to 30% less — same specs, same certifications, without the big-brand markup.
Real technical support. Need a torque spec, die reference, or an OEM quote? You’ll speak directly with the Conversions Tech engineering desk — not a script reader — for instant answers, custom kitting, and private-label options.
Fast US fulfillment. Orders in by 2PM ET ship same day from our US warehouse, nationwide ground and expedited.
