Two-Hole Copper Compression Lug 4 AWG 3/8" Stud | Long Barrel, 1" Spacing
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SKU: 210-09956
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Two-hole long-barrel compression lug for 4 AWG conductors. Dual 3/8" mounting studs with 1" center-to-center spacing provide stable, torque-balanced attachment to busbars, disconnects, and grounding plates. Extended barrel maximizes crimp contact area for reliable, low-resistance terminations in industrial switchgear, commercial distribution panels, solar combiner boxes, and backup power systems.
Specifications
- Wire Size: 4 AWG
- Stud Size: 3/8" (9.5 mm)
- Hole Count / Spacing: 2 holes, 1" (25.4 mm) center-to-center
- Overall Length (L): 73.2 mm | 2.88"
- Neck Length (L1): 46.5 mm | 1.83"
- Barrel Length (L2): 25.4 mm | 1.00"
- Outer Ø (D): 15.2 mm | 0.60"
- Inner Ø (D1): 9.1 mm | 0.36"
- Hole Ø (D2): 7.1 mm | 0.28"
- Width (B): 22.9 mm | 0.90"
- Thickness (F): 1.7 mm | 0.07"
- Material: Electro-tin-plated copper
- Temperature Rating: -40 °C to 90 °C
- Voltage Rating: 35 kV
- Max Current: 125 A
- Certifications: UL Recognized, CE, RoHS
Cross-Reference
Equivalent to standard two-hole long-barrel compression lug form factors from major manufacturers. Conversions Tech lugs deliver comparable electrical and mechanical performance at reduced cost for industrial and commercial procurement.
FAQ
What crimp die should I use for this long-barrel lug?
Use a crimp tool and die set rated for 4 AWG copper compression lugs with long-barrel geometry. The extended 25.4 mm barrel length requires a die that accommodates the full barrel for proper compression. Follow the tool manufacturer's recommended crimp cycle and inspect for proper die closure.
Is the 1" stud spacing compatible with standard busbar drilling?
Yes. The 1" (25.4 mm) center-to-center spacing matches common industry patterns for dual-hole lugs on busbars, disconnect switches, and grounding plates. Verify your specific equipment hole pattern before ordering.
Does the tin plating affect termination torque requirements?
Tin plating provides corrosion resistance without significantly altering torque values. Apply standard torque specifications for 3/8" copper hardware per NEC and equipment manufacturer guidelines. The electro-tin plating maintains conductivity and prevents oxidation at the contact surface.
Specifications
| Part Number | 210-09956 |
| Category | Electrical connector |
| Weight | 0.25 lb |
| HS Code | 8536.90.4000 |
Direct Cross-Reference — Two-Hole NEMA (1.75″ centers), 4 AWG, 3/8 Inch stud
CT P/N 210-09956 is a dimensional and electrical equivalent replacement for:
| Manufacturer | Part Number |
|---|---|
| Panduit | LCC4-12 * |
| NSI Industries | L4NP |
* Cross derived from manufacturer part-numbering pattern; verify against datasheet for critical applications. All trademarks are property of their respective owners and are used for compatibility identification only. Conversions Tech products meet the same UL 486A dimensional and electrical standards at distributor-direct pricing.
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.
