250 MCM Copper Compression Lug | Two Hole 1/2″ Stud with 1.75″ Spacing | Yellow Color Coded
PRODUCT PARAMETERS
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High-Capacity 250 MCM (250KCM): Designed for heavy-duty power distribution and industrial grounding systems.
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99.9% Pure T2 Electrolytic Copper: Ensures maximum electrical conductivity and significantly reduces voltage drop.
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Sealed Barrel Design (No Inspection Window): Provides a superior barrier against moisture and contaminants, ideal for corrosive or outdoor environments.
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Two-Hole Non-Rotational Mounting: Dual 1/2" holes with 1-3/4" (1.75") spacing provide maximum contact surface and prevent terminal twisting.
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Yellow Color Coded (Die Index 62): Industry-standard visual identification for 250 MCM wire ensures perfect crimping tool matching.
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Heavy-Duty Tin Plating: Electro-tin finish offers robust protection against oxidation and environmental degradation.
Description
Purchase XLUIG 250 MCM Copper Lugs. Features 99.9% T2 copper, two-hole 1/2″ stud with 1-3/4″ spacing, yellow color coding (Die 62), and a sealed barrel (no inspection window) for harsh environments.
Dimensions

Data Overview
| XLUIG Model No. | Wire Size (MCM) | Stud Hole Size | Hole Spacing | Color Code | Die Index | W (mm) | B (mm) | L (mm) |
| XL-250-10-2 | 250 MCM | 3/8″ | 1.0″ | Yellow | 62 | 27.7 | 26.9 | 88.0 |
| XL-250-12-2 | 250 MCM | 1/2″ | 1.75″ | Yellow | 62 | 27.7 | 26.9 | 114.3 |
| XL-250-16-2 | 250 MCM | 5/8″ | 1.75″ | Yellow | 62 | 27.7 | 26.9 | 122.2 |
Product Features & Engineering Logic
| Engineering Features | Technical Advantages | Professional Business Value |
| Sealed Barrel Construction | Prevents the ingress of moisture and corrosive agents into the conductor strands. | Environmental Reliability: Drastically reduces maintenance costs in marine, chemical, or outdoor installations. |
| Dual 1/2″ Studs (1.75″ Spacing) | Offers a broad contact area and a rigid, non-rotational connection to NEMA-standard busbars. | Operational Safety: Guarantees the connection remains secure under heavy mechanical vibration or thermal expansion. |
| High-Purity Seamless T2 Copper | Provides ultra-low electrical resistance and superior thermal dissipation during peak loads. | Energy Efficiency: Minimizes heat generation and power loss, protecting expensive downstream electrical components. |
| Yellow/62 Visual ID System | Allows installers to instantly verify the correct lug size and select the matching Die Index 62 for a gas-tight crimp. | Project Efficiency: Speeds up the installation workflow and eliminates the risk of terminal failure due to improper crimping. |
FAQs
Q: What is the advantage of a “No Inspection Window” barrel for 250 MCM lugs?
A: Lugs without an inspection window feature a completely sealed barrel. This is preferred in environments where moisture, salt spray, or corrosive gases are present. It prevents these elements from entering the barrel and corroding the conductor strands, ensuring a longer-lasting, low-resistance connection.
Q: Can I use this 250 MCM lug for high-vibration applications?
A: Yes. The two-hole design with 1.75″ spacing is specifically engineered to prevent rotation. When secured with dual 1/2″ bolts, the lug remains perfectly aligned and maintains maximum contact pressure, even in high-vibration industrial machinery or power generator setups.
Q: Which crimping tool should be used for the Yellow color-coded series?
A: All XLUIG 250 MCM Yellow lugs require a tool equipped with Die Index 62. Using the standardized color-coded system ensures a gas-tight compression that meets industry safety standards for high-amperage power distribution.
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 |