Copper Short Barrel One Hole Compression Lugs 4/0 AWG 1/4-inch Bolt SIze
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4/0 AWG Copper Compression Lug | 1-Hole | 1/4" Stud | Standard Barrel | Purple | Conversions Tech
The Conversions Tech 4/0 AWG Copper Compression Lug is engineered for reliability, performance, and long-term durability in high-demand electrical systems. Designed with a 1-hole configuration and 1/4-inch bolt size, it ensures secure terminations for 4/0 MCM conductors. Its tin-plated copper construction offers excellent corrosion resistance and superior electrical conductivity, while the standard barrel and sight window enable easy installation and verification of conductor seating. The purple color code provides quick identification, streamlining field installations and maintenance.
Tested and certified to meet UL, CE, and RoHS compliance standards, this compression lug delivers high performance for industrial, commercial, and renewable energy applications.
Key Features
- High-Quality Copper Construction: Provides superior electrical conductivity and mechanical reliability for heavy-duty installations.
- 4/0 MCM Conductor Compatibility: Designed for secure termination of 4/0 MCM conductors in high-current applications.
- 1-Hole Configuration: Offers easy installation and stable mounting for consistent power delivery.
- 1/4-Inch Stud Size: Compatible with standard terminal hardware, ensuring quick and secure fastening.
- Standard Barrel Design: Ensures uniform crimping and enhanced electrical performance.
- Sight Window: Allows visual inspection of conductor insertion, ensuring accurate installation.
- Tin-Plated Finish: Protects against corrosion and oxidation, enhancing long-term reliability.
- Purple Color Code: Provides instant wire gauge identification for professional field applications.
Technical Specifications
| Wire Size | 4/0 AWG |
| Stud Size | 1/4" Stud |
| Color | Purple |
| Overall Length (L) | 52.7 mm (2.10") |
| Barrel Length (L1) | 18.4 mm (0.70") |
| Diameter (D) | 25.4 mm (1.00") |
| Inner Diameter (D1) | 17.4 mm (0.685") |
| Inner Diameter (D2) | 14.2 mm (0.560") |
| Width (B) | 25.4 mm (1.00") |
| Width (E) | 7.1 mm (0.27") |
| Thickness (F) | 3.1 mm (0.122") |
| Material | Tin-Plated Copper |
| Temperature Rating | 90°C |
| Voltage Rating | 35 kV |
| Maximum Amp Rating | 360 A |
| UL Approved | Yes |
| CE Certified | Yes |
| RoHS Compliant | Yes |
Applications
- Power Distribution Panels: Ensures reliable, low-resistance terminations for feeders and switchgear.
- Industrial Systems: Ideal for MCCs, automation systems, and heavy-duty installations.
- Renewable Energy: Supports solar, ESS, and high-power inverter wiring.
- Commercial Installations: Suitable for long-lasting use in construction, utilities, and energy networks.
Frequently Asked Questions (FAQs)
1. What wire size is supported?
This lug is designed for 4/0 MCM (AWG) copper conductors.
2. Does it feature a sight window?
Yes, it includes a sight window for quick verification of proper wire insertion.
3. Can it be used in outdoor environments?
Yes, the tin-plated copper construction provides excellent corrosion protection for outdoor and industrial use.
4. What color identifies this lug?
It features a purple color code for easy wire gauge identification.
5. What certifications does it meet?
This lug is UL Approved, CE Certified, and RoHS Compliant, ensuring it meets international standards for safety and performance.
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.
