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One-Hole Compression Lug 300 MCM | 3/8" Bolt, 35kV, 90°C

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SKU: 210-09808

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The Conversions Tech one-hole copper compression lug terminates 300 MCM copper conductors to equipment studs or bus bars. Designed for switchgear, transformers, panelboards, and industrial power distribution, this short-barrel lug provides a secure compression termination in space-constrained applications. The electro-tin plated finish resists oxidation in humid or corrosive environments, while the sight window enables visual confirmation of full conductor insertion before crimping.

Specifications

  • Conductor size: 300 MCM copper
  • Bolt/stud size: 3/8 inch
  • Pad size: 1.25 inch length x 1.189 inch width
  • Pad holes: 1
  • Overall length: 2.9 inches
  • Barrel length: 1.063 inches
  • Barrel type: Standard straight (short barrel)
  • Cable entry: Chamfered
  • Wire strip length: 1.125 inches
  • Voltage rating: 35 kilovolt
  • Temperature rating: 90°C
  • Die index: I-66
  • Material: Electro-tin plated high-strength seamless copper
  • Color code: White
  • Features: Sight window (sight hole)

Cross-Reference

Equivalent to standard one-hole short-barrel compression lugs from major manufacturers. Form and fit match industry-standard 300 MCM lugs with 3/8-inch stud compatibility. Available at lower cost with equivalent crimp specifications and electrical performance.

FAQ

What crimping tool die index is required for this lug?

Use die index I-66. Verify proper die selection against your crimp tool manufacturer's chart before installation.

Is this lug rated for wet or outdoor locations?

The 90°C temperature rating and electro-tin plating provide corrosion resistance. For outdoor or wet location applications, install per NEC requirements using appropriate tape, heat-shrink, or sealing methods to protect the termination.

Can this lug be used with fine-stranded or compacted 300 MCM cable?

This lug is specified for 300 MCM copper conductor. For compacted or fine-stranded cable, verify conductor diameter against the 1.063-inch barrel length and chamfered entry dimensions. Strip length is 1.125 inches.

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

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UL 486A/B CSA NEC 2023 ABYC E-11 IEEE 837
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