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Copper Long Barrel One Hole Compression Lug 4 AWG 3/8-inch Bolt Size

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SKU: 210-98066C

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The Conversions Tech Copper Compression Lug is engineered for high-reliability, low-resistance electrical connections in industrial, commercial, and utility power systems. Designed to accommodate 4 AWG stranded copper conductors, it ensures secure, high-current carrying capacity with a standardized 3/8-inch stud interface. This robust connector is built to withstand demanding environments, offering superior performance and longevity for critical electrical systems. Perfect for professionals seeking efficient, durable solutions, the Conversions Tech Copper Compression Lug guarantees optimal reliability and safety in power distribution applications.

Key Features

  • High-Reliability Copper Construction: Made from premium copper for low-resistance, high-reliability electrical connections.
  • 4 AWG Conductor Size: Designed to accommodate 4 AWG stranded copper conductors, ensuring optimal fit for medium to heavy-duty electrical systems.
  • 3/8 Inch Stud Interface: Features a 3/8-inch stud hole, providing a secure and stable connection for high-current applications.
  • Low-Resistance Performance: Engineered for minimal resistance, ensuring efficient power transfer and enhanced electrical performance.
  • Industrial and Commercial Use: Ideal for industrial, commercial, and utility power systems, where secure and reliable connections are essential.
  • High-Current Carrying Capacity: Designed to handle high-current applications, ensuring reliable performance even under demanding conditions.
  • Durable and Secure: Offers a secure and long-lasting connection, with a robust design that ensures dependable performance in critical electrical systems.

Technical Specifications

Material Seamless Electro-Tin Plated Copper
Color Code Gray (for standardized identification)
Overall Length 2.039 inches
Barrel Length 1.125 inches (long barrel for enhanced stability)
Conductor Compatibility 4 AWG stranded copper
Voltage Rating 35 kV
Stud Size 3/8 inch
Crimp Die Index I-29
Pad Dimensions 0.68 in (L) x 0.486 in (W) x 0.093 in (Thk)
Pad Hole Single-hole design for streamlined termination
Barrel Entry Chamfered for easy wire insertion
Insulation ID/OD 0.25 in (ID) x 0.343 in (OD)
Operating Temperature Rating 90°C (194°F)

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.

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CONVERSIONS TECH

Professional-grade electrical components, networking cables, and solar hardware for contractors, distributors, and OEM partners. Same-day shipping from Wyoming.

1 (307) 441-9711

CS@ConversionsTech.com

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Resources
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© 2026 Conversions Tech Inc · Wyoming, United States
UL 486A/B CSA NEC 2023 ABYC E-11 IEEE 837 BABA
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