3/0 AWG Copper Compression Lug | Orange Color Coded | One Hole 1/2″ Stud Terminal
PRODUCT PARAMETERS
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99.9% Purity T2 Copper: Engineered for maximum electrical conductivity and heat dissipation in high-current applications.
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Orange Color Coded (Die Index 50): Provides instant visual identification for rapid, error-free matching with crimping dies.
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Integrated Inspection Window: Allows for critical visual verification that the cable is fully inserted before crimping.
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Corrosion-Resistant Tin Plating: Premium electro-tin finish protects against oxidation and ensures long-term contact reliability.
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One-Hole 1/2" Stud Precision: Perfectly sized for secure attachment to busbars, power distribution blocks, and EV battery systems.
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Seamless Standard Barrel: High-strength tube construction prevents splitting under extreme crimping pressure.
Description
Buy premium 3/0 AWG Copper Compression Lugs at Xluig. Features 99.9% T2 copper, orange color coding (Die 50), and inspection window. Designed for secure 1/2″ stud electrical connections.
Dimensions

Data Overview
| Model No. | Wire Size (AWG) | Stud Hole Size | Color Code | Die Index | W (mm) | B (mm) | L (mm) |
| XL-3/0-8 | 3/0 AWG | 5/16″ | Orange | 50 | 23.1 | 21.1 | 52.8 |
| XL-3/0-10 | 3/0 AWG | 3/8″ | Orange | 50 | 23.1 | 21.1 | 52.8 |
| XL-3/0-12 | 3/0 AWG | 1/2″ | Orange | 50 | 23.1 | 21.1 | 58.9 |
Product Features & Engineering Logic
| Engineering Features | Technical Advantages | Professional Business Value |
| Seamless T2 Electrolytic Copper | Guarantees superior conductivity and ductility, preventing cracks during high-pressure crimps. | System Integrity: Lowers voltage drop and prevents overheating, protecting expensive industrial equipment. |
| Visual Inspection Port | Enables installers to verify 100% wire insertion depth, ensuring the crimp covers the full wire core. | Safety Assurance: Eliminates “blind” installation risks, significantly reducing the chance of electrical fires. |
| Standardized Orange Color Code | Matches the specific Die Index 50 for 3/0 AWG cables, simplifying tool and terminal selection. | Operational Efficiency: Speeds up large-scale wiring projects and reduces labor costs by minimizing installation errors. |
| Electro-Tin Surface Treatment | Creates a robust barrier against moisture and salt spray, maintaining low resistance in harsh environments. | Long-Term ROI: Drastically extends the service life of connections, reducing future maintenance and downtime costs. |
FAQs
Q: Why is the Orange color code important for 3/0 AWG lugs?
A: The Orange code is an industry-standard indicator for 3/0 AWG cable compatibility. It ensures the installer uses the correct “Die Index 50” tool, creating a permanent, gas-tight bond that prevents electrical resistance and mechanical pull-out.
Q: What are the benefits of using T2 copper for power terminals?
A: T2 copper is 99.9% pure electrolytic copper. It offers the highest electrical conductivity available, which is essential for 3/0 AWG high-power lines to prevent heat buildup and energy loss, ensuring your power system runs at peak efficiency.
Q: Does the inspection window affect the terminal’s strength?
A: Not at all. The window is precision-engineered into the standard barrel to provide visibility without compromising the structural integrity or the high-pressure crimping surface of the T2 copper tube.
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 |