Copper Long Barrel One Hole Compression Lug 4 AWG 1/4-inch Bolt Size
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SKU: 210-98066A
1000 in stock
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Conversions Tech 4 AWG Copper Compression Lug — ¼″ Stud, Gray Color Code | UL / CE / RoHS / BABA Compliant
The Conversions Tech 4 AWG Copper Compression Lug is a durable, high-performance connector built for secure and efficient electrical terminations. With a ¼-inch bolt size, long barrel design, and tin-plated finish, it delivers superior conductivity, corrosion resistance, and mechanical strength across industrial, commercial, and renewable-energy applications. Its gray color code provides fast identification for 4 AWG wiring, ensuring accurate, professional installations.
Manufactured from seamless electro-tin-plated copper and tested to UL / CE / RoHS standards, this lug guarantees reliable performance under demanding environmental and electrical conditions. Proudly produced under BABA (Build America, Buy America) compliance, it supports U.S.-sourced manufacturing while maintaining global certification quality.
Key Features
- Durable Copper Construction: High-conductivity copper provides excellent electrical performance and longevity.
- 4 AWG Conductor Size: Designed specifically for 4 AWG wires used in mid-range electrical systems.
- ¼″ Bolt Hole: Ensures stable attachment to terminals, busbars, or grounding pads.
- Long Barrel Design: Enhances pull-out strength and contact area for consistent, low-resistance connections.
- Tin Plating: Protects against oxidation and corrosion in harsh or humid environments.
- Gray Color Code: Allows quick visual identification and installation accuracy.
- No Sight Window: Solid-barrel construction for compact, tamper-resistant applications.
- UL / CE / RoHS / BABA Certified: Meets global safety and domestic sourcing standards.
Technical Specifications
| Material | Seamless Electro-Tin-Plated Copper |
| Color Code | Gray (4 AWG) |
| Overall Length (L) | 2.039 in (51.8 mm) |
| Barrel Length (L₁) | 1.125 in (28.6 mm) |
| Conductor Size | 4 AWG |
| Stud Size | ¼ inch |
| Die Index | I-29 |
| Pad Size | 0.68″ L × 0.486″ W × 0.093″ Thk |
| Pad Holes | 1 |
| Barrel Type | Long Barrel / Chamfered Entry |
| Insulation ID / OD | 0.25″ ID × 0.343″ OD |
| Temperature Rating | 90 °C (194 °F) |
| Voltage Rating | 35 kV |
| Certifications | UL Recognized • CE Certified • RoHS Compliant • BABA Certified |
| Origin | USA *Stock product may be sourced elsewhere. |
Applications
- Medium-duty power distribution and control systems
- Automotive and marine battery connections
- Renewable energy wiring (Solar / Wind PV arrays)
- Grounding and bonding installations
- Switchgear, transformers & panel board terminations
The Conversions Tech 4 AWG Copper Compression Lug combines mechanical strength, corrosion resistance, and electrical efficiency. With UL, CE, RoHS, and BABA certifications, it meets international safety requirements and domestic procurement standards for trusted performance in every application.
4 Reasons Pros Buy Direct from Conversions Tech
, we design, test, and ship every product from inside the United States— “” quality without the big-box markup.
Our , mold, and QA station behind our weatherproof boxes, conduit bodies, and power inverters. , UL-listed safety, and up to 30 % lower cost than .
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.
