Copper Short Barrel Two Hole Compression Lugs 4 AWG 1/2-inch Bolt Size
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SKU: 210-09921
1000 in stock
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4 AWG Copper Compression Lug | 2-Hole | 1/2" Stud | 1" Spacing | Gray | Conversions Tech
The Conversions Tech 4 AWG Copper Compression Lug is engineered for precision, strength, and long-lasting reliability in electrical terminations. Designed for 4 AWG conductors, it features a 2-hole configuration with 1/2-inch bolt size and 1-inch spacing for stable mounting. Constructed from seamless tin-plated copper, it delivers superior conductivity and corrosion resistance, while the standard barrel design allows for easy crimping and consistent compression. The sight window provides quick verification of wire seating, and the gray color code ensures fast gauge identification in the field.
Rated up to 35 kV and 90°C, this lug meets UL, CE, and RoHS compliance standards, offering dependable performance for industrial, commercial, and renewable energy systems.
Key Features
- 4 AWG Conductor Compatibility: Provides reliable terminations for medium-power electrical systems.
- 2-Hole Design: Offers a secure, vibration-resistant connection with dual bolt mounting for extra stability.
- 1/2-Inch Bolt Size: Fits standard terminals and busbars for consistent, professional installations.
- 1-Inch Hole Spacing: Standard NEMA spacing ensures compatibility and alignment with existing systems.
- Standard Barrel Construction: Enables uniform crimping and reliable electrical performance.
- Tin-Plated Finish: Protects against corrosion, oxidation, and mechanical wear for long service life.
- Gray Color Code: Simplifies identification and speeds up electrical work during installation.
Technical Specifications
| Material | Seamless Electro Tin-Plated Copper |
| Color | Gray |
| Overall Length | 2.421 Inches |
| Barrel Length | 0.5 Inch |
| Conductor Material | Copper |
| Voltage Rating | 35 kV |
| Conductor Size | 4 AWG |
| Stud Size | 1/2 Inch |
| Die Index | I-29 |
| Pad Size | 1.687 L × 0.486 W × 0.093 T Inches |
| Pad Holes | 2 |
| Pad Hole Spacing | 1 Inch |
| Barrel Type | Standard |
| Inner Diameter | 0.25 Inch |
| Outer Diameter | 0.343 Inch |
| Cable Entry | Chamfered Type |
Applications
- Power Distribution Systems: Ensures stable, low-resistance terminations in switchgear, panelboards, and feeders.
- Industrial & Commercial Equipment: Ideal for MCCs, automation, and OEM systems.
- Renewable Energy Projects: Suitable for solar and energy storage installations.
- Maintenance & Upgrades: Perfect for secure electrical terminations in existing installations.
Frequently Asked Questions (FAQs)
1. What wire size does this lug support?
This lug is designed for 4 AWG copper conductors.
2. What is the hole spacing?
It features a 1-inch spacing between two 1/2-inch bolt holes for secure mounting.
3. Is this lug UL certified?
Yes, it meets UL, CE, and RoHS compliance standards for quality and safety.
4. Can it be used outdoors?
Yes, the tin-plated copper resists corrosion, making it suitable for both indoor and outdoor use.
5. Does it include a sight window?
Yes, it has a sight window for verifying conductor insertion during crimping.
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.
