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
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. 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.
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.
Why Pros Buy Direct from Conversions Tech
Engineered in the USA. Our U.S.-based engineering team designs and specifies our core product lines, and every product we carry — designed in-house or built to our exact specifications by certified partner factories — is quality-verified before it ships. UL/CSA listed where required, NEC compliant.
Cross-reference savings. Direct equivalents to Burndy, Hubbell, and other OEM part numbers at up to 30% less — same specs, same certifications, without the big-brand markup.
Real technical support. Need a torque spec, die reference, or an OEM quote? You’ll speak directly with the Conversions Tech engineering desk — not a script reader — for instant answers, custom kitting, and private-label options.
Fast US fulfillment. Orders in by 2PM ET ship same day from our US warehouse, nationwide ground and expedited.
