Copper Long Barrel One Hole Compression Lug 4 AWG #10 Bolt Size
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SKU: 210-98066
1000 in stock
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Conversions Tech 4 AWG Tin-Plated Copper Compression Lug — UL, CE, RoHS & BABA Compliant
The Conversions Tech 4 AWG Tin-Plated Copper Compression Lug is a precision-engineered electrical connector designed for secure, efficient, and long-lasting conductor termination. Built with a long-barrel design for maximum surface contact, it ensures stable conductivity and reduced resistance in high-current applications. Its tin-plated copper construction provides outstanding corrosion resistance, making it ideal for industrial, automotive, and renewable-energy installations exposed to demanding environments.
Rated for up to 35 kV and tested to UL / CE / RoHS standards, this compression lug delivers exceptional durability and electrical performance. Proudly manufactured under BABA (Build America, Buy America) compliance, it meets both U.S. manufacturing and international quality benchmarks.
Key Features
- High-Performance Copper Construction: Provides excellent conductivity and secure, vibration-resistant terminations for 4 AWG conductors.
- Long-Barrel Design: Increases crimp stability and contact area for superior current flow and mechanical strength.
- Tin-Plated Finish: Protects against oxidation and corrosion in harsh or humid environments.
- Reliable Performance: Engineered for industrial, automotive, and renewable-energy systems demanding consistent power delivery.
- Durable and Efficient: Built to maintain low electrical resistance and mechanical integrity under thermal stress.
- Wide Application Range: Suitable for panel boards, switchgear, battery banks, and solar PV arrays.
- UL, CE & RoHS Certified: Meets global safety and environmental standards for dependable performance.
- BABA Compliant: Manufactured under Build America, Buy America guidelines for domestic projects.
Technical Specifications
| Wire Size | 4 AWG |
| Stud Size | #10 Stud |
| Color Code | Gray |
| Overall Length (L) | 41.9 mm (1.65″) |
| Barrel Length (L₁) | 15.2 mm (0.60″) |
| Barrel Diameter (D) | 13.7 mm (0.54″) |
| Inner Diameter (D₁) | 9.1 mm (0.36″) |
| Outer Diameter (D₂) | 7.1 mm (0.28″) |
| Flange Length (B) | 22.8 mm (0.90″) |
| Flange Width (E) | 5.5 mm (0.22″) |
| Thickness (F) | 1.8 mm (0.07″) |
| Terminal Material | Tin-Plated Copper |
| Temperature Rating | 90 °C (194 °F) |
| Voltage Rating | 35 kV |
| Maximum Amp Rating | 85 A |
| Certifications | UL Recognized • CE Certified • RoHS Compliant • BABA Certified |
| Origin | USA *Stock product may be sourced elsewhere. |
Applications
- Industrial control and power distribution systems
- Battery banks and renewable energy installations (solar / wind)
- Automotive and marine power connections
- Panel boards, switchgear, and transformer terminals
- Grounding and bonding applications requiring low resistance connections
The Conversions Tech 4 AWG Tin-Plated Copper Lug delivers high efficiency, low resistance, and long-term durability for professional installations. With UL, CE, RoHS, and BABA compliance, it meets the strictest standards for safety and performance in industrial, commercial, and renewable-energy applications.
FAQs (Click to Expand)
1. What wire size does this lug accommodate?
It is specifically designed for 4 AWG copper conductors, ensuring a tight and secure fit.
2. What is the stud size?
This model uses a standard #10 stud for panel and busbar mounting.
3. Is it UL and CE certified?
Yes — the lug is UL Recognized and CE Certified for electrical safety and performance.
4. What material is used?
Constructed from high-conductivity tin-plated copper for maximum efficiency and corrosion resistance.
5. What is the maximum voltage rating?
The lug is rated for up to 35 kV, suitable for medium-voltage applications.
6. What is the maximum current capacity?
It supports a maximum current of 85 A under standard operating conditions.
7. Is it BABA compliant?
Yes — manufactured in compliance with Build America, Buy America (BABA) requirements.
8. Can this lug be used outdoors?
Yes — the tin plating protects against moisture and oxidation for indoor or outdoor use.
9. What temperature range can it withstand?
Rated for continuous service up to 90 °C (194 °F).
10. Why choose Conversions Tech lugs?
Conversions Tech lugs are engineered for precision fit, maximum conductivity, and UL-verified reliability — delivering safe connections for demanding projects nationwide.
4 Reasons Pros Buy Direct from Conversions Tech
Headquartered in business-friendly Wyoming, we design, test, and ship every product from inside the United States—delivering genuine “Made-for-America” quality without the big-box markup.
Our in-house team owns every CAD file, mold, and QA station behind our weatherproof boxes, conduit bodies, and power inverters. Vertical control means tighter tolerances, UL-listed safety, and up to 30 % lower cost than private-label imports.
Thousands of SKUs sit ready to go. Orders placed by 2 p.m. ship the same day, keeping contractors, OEMs, and distributors on schedule.
Need a torque spec or an OEM quote at dawn? You’ll speak directly with the Conversions Tech engineering desk—not a script reader—for instant answers, custom kitting, and private-label options.
Bottom line: For rugged, code-compliant electrical solutions shipped fast from a trusted U.S. source, choose Conversions Tech and build it right the first time.
