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Long Barrel Compression Lug 4 AWG 5/16" | UL/CE/RoHS 90°C 35kV

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SKU: 210-98066B

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The Conversions Tech long-barrel compression lug terminates 4 AWG copper conductors in power distribution, control panels, and grounding applications. The 5/16-inch stud hole fits standard terminals and bus bars, while the extended barrel improves pull-out strength and heat dissipation compared to short-barrel designs. A gray color code identifies the wire size without requiring a sight window. Tin plating resists oxidation in industrial and outdoor environments.

Specifications

  • Material: Seamless electro-tin-plated copper
  • Conductor size: 4 AWG
  • Stud size: 5/16 inch (7.9 mm)
  • Overall length (L): 2.039 in (51.8 mm)
  • Barrel length (L₁): 1.125 in (28.6 mm)
  • 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
  • Die index: I-29
  • Temperature rating: 90 °C (194 °F)
  • Voltage rating: 35 kV
  • Color code: Gray (4 AWG)
  • Certifications: UL Recognized, CE Certified, RoHS Compliant

Cross-Reference

Equivalent to long-barrel one-hole compression lugs from major manufacturers including Panduit, Burndy, and Ilsco. Form factor matches industry-standard dimensions for 4 AWG 5/16" stud applications.

FAQ

What crimping tool and die should I use?

Use die index I-29 with compatible hydraulic or mechanical compression tools. Verify die alignment before crimping to ensure full barrel compression.

Is this lug rated for outdoor or wet locations?

The 90°C temperature rating and tin-plated copper construction suit industrial environments. Apply appropriate insulation and sealing methods per NEC for wet or damp locations.

Can I use this for grounding and bonding?

Yes. The 5/16" stud hole fits standard grounding terminals and bus bars. Verify torque specifications and bonding continuity per NEC Article 250.

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

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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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