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Copper Short Barrel Two Hole Compression Lugs 4 AWG 5/16 Inch Bolt Size

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SKU: 210-09919

1000 in stock

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The Conversions Tech robust copper connector designed for a range of electrical applications. It supports a 4 AWG conductor size and features two holes, a 5/16-inch bolt size, and 1-inch hole spacing, ensuring secure and efficient electrical connections. The lug includes a standard barrel and a built-in sight window for easy visual inspection. Its tin-plated finish offers superior corrosion resistance, while the distinctive gray color code allows for quick identification and compatibility with standard color-coding systems. This connector guarantees reliable and long-lasting performance in various electrical settings.

Key Features

  • Copper Construction – Provides reliable electrical conductivity and ensures long-term performance in electrical systems.
  • 4 AWG Conductor Size – Specifically designed for 4 AWG wire, making it suitable for medium to larger conductors.
  • 5/16-inch Bolt Size – Standard bolt size for secure and stable connections.
  • 1-inch Hole Spacing – Offers optimal spacing for secure attachment points, ensuring reliable electrical connections.
  • Standard Barrel – Features a standard barrel for easy wire insertion and consistent compression.
  • Sight Window – Allows for visual inspection of the crimped connection, ensuring proper installation and quality control.
  • Tin Plating & Gray Color Code – Tin plating enhances corrosion resistance, while the gray color code ensures quick identification and compatibility with standard color-coding systems.

Technical Specifications

Material Seamless Electro-Tin Plated Copper
Color Gray
Overall Length 2.671 Inches
Barrel Length 0.5 Inch
Conductor Material Copper
Voltage Rating 35 kV
Conductor Size 4 AWG
Stud Size 5/16 Inch
Die Index I-29
Pad Size 1.937 Inches Length x 0.486 Inches Width x 0.093 Inches Thickness
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

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.

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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 our U.S. distribution centers.

1 (307) 206-0534

CS@ConversionsTech.com

Products
Compression lugs Networking & fiber AV & power cable EMT fittings Grounding & bonding Solar & energy Enclosures
Resources
Technical library Lug sizing guide Fiber optic guide AV cable guide Starlink Mini guide AWG conversion chart Cross-reference tool
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© 2026 Conversions Tech Inc · Wyoming, United States
UL 486A/B CSA NEC 2023 ABYC E-11 IEEE 837
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