4/0 AWG Four-Hole Copper Compression Lug | Purple Color Coded | 1/4″ Stud with 5/8″ Spacing
PRODUCT PARAMETERS
- Ultimate 4-Hole Stability: Four-hole mounting pattern ensures maximum surface contact and zero rotation on high-current busbars.
- 99.9% Purity T2 Copper: Engineered for maximum electrical conductivity and minimal heat buildup in heavy-duty applications.
- Purple Color Coded (Die Index 54): Industry-standard visual identification for 4/0 AWG terminals to ensure precise tool and die matching.
- Integrated Inspection Window: Allows for critical visual verification that the conductor is fully seated before and after crimping.
- High-Strength Standard Barrel: Optimized for 4/0 STR (Stranded) copper wire, providing a permanent and vibration-proof bond.
- Corrosion-Resistant Tin Plating: Premium electro-tin finish provides robust protection against oxidation and harsh environments.
Description
Purchase high-conductivity 4/0 AWG Four-Hole Copper Compression Lug at XLUIG. Featuring 99.9% T2 copper, purple color coding (Die 54), 1/4″ stud with 5/8″ spacing, and inspection window.
Dimensions

Data Overview
| XLUIG Model No. | Wire Size (AWG) | Stud Hole Size | Hole Spacing | Color Code | Die Index | W (mm) | B (mm) | L (mm) |
| XL-4/0-06-4 | 4/0 AWG | 1/4″ | 0.625″ (5/8″) | Purple | 54 | 30.2 | 21.1 | 68.6 |
| XL-4/0-08-4 | 4/0 AWG | 5/16″ | 0.875″ | Purple | 54 | 30.2 | 21.1 | 75.2 |
| XL-4/0-10-4 | 4/0 AWG | 3/8″ | 1.0″ | Purple | 54 | 30.2 | 21.1 | 82.3 |
Product Features & Engineering Logic
| Engineering Features | Technical Advantages | Professional Business Value |
| Four-Hole Mounting (5/8″ Spacing) | Provides the largest possible contact area between the terminal and busbar, effectively preventing rotation. | System Security: Eliminates the risk of loose connections in high-vibration or high-stress power distribution systems. |
| Seamless Electrolytic T2 Copper | High ductility allows the barrel to withstand extreme crimping pressure without splitting or cracking. | Long-Term ROI: Drastically extends the life of electrical connections, reducing future maintenance costs and downtime. |
| Standardized Purple ID (Die 54) | Enables installers to instantly match the terminal with the correct 4/0 AWG wire and Die Index 54 tool. | Installation Speed: Simplifies large-scale projects and eliminates costly rework by preventing the use of incorrect dies. |
| Visual Inspection Port | Provides an immediate “sight check” to ensure the 4/0 AWG wire has reached the end of the barrel. | Quality Assurance: Ensures 100% crimping reliability and safety, making it a favorite for electrical inspectors. |
FAQs
Q: Why is a four-hole lug preferred for 4/0 AWG power connections?
A: Four-hole lugs provide the maximum possible contact surface area. For high-current applications like 4/0 AWG, this reduces electrical resistance and prevents the terminal from rotating or twisting due to cable weight or mechanical vibration, ensuring a permanent, safe connection.
Q: What does the “Purple” color code signify?
A: In the electrical industry, Purple is the standard color code for 4/0 AWG wire size. It corresponds specifically to Die Index 54. This coding system allows installers to quickly pick the right terminal and the right crimping tool, ensuring a professional, gas-tight bond every time.
Q: Can these lugs be used with both solid and stranded wire?
A: These XLUIG lugs are specifically optimized for STR (Stranded) copper wire. The seamless T2 copper barrel is designed to gather and compress the individual strands into a solid, high-conductivity mass when crimped, which is ideal for flexible power distribution cables.
Product Attributes
| Property | Details |
| Industry | Industrial Fastener |
| Brand Name | XLUIG (Kunshan Xinluan New Material Technology Co., Ltd) |
| Place of Origin | Jiangsu, China |
| Certificate | ISO 9001:2015 Certified |
| Thread Size | Customized sizes available |
| MOQ | 5,00 Pieces |
| OEM / ODM | Support (Based on technical drawings) |
| Samples | Available upon request |
Supply Ability
| Service Items | Details & Specifications |
| Packaging | Small boxes, plastic bags, bulk cartons, and wooden pallets |
| Supply Ability | 50,000,000 Piece/Pieces per Month |
| Transportation | Land, Ocean, Air, and Express Delivery |
| Port of Loading | Shanghai, Ningbo, Tianjin |
| Payment Type | T/T |
| Incoterm | FOB, CIF, EXW, DDP |