Aluminum Two Barrel Connectors One-Hole Mount 14 AWG - 2/0 AWG - 1/4"
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SKU: 210-99013
950 in stock
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Aluminum Single Barrel Mechanical Connector — #99005
High-strength aluminum, tin-plated single-barrel connector engineered for low-resistance terminations and durable performance in power distribution, panels, and industrial installs.
Key Features
- Premium Alloy: High-strength aluminum body with tin-plated finish for corrosion resistance and stable conductivity.
- Wide Conductor Range: Single-barrel clamping for 250 MCM down to 6 AWG (Cu/Al).
- Low Contact Resistance: Clean bore and tight clamping for efficient current transfer.
- Installer-Friendly: Standard hex set screws; clear sight lines for visual inspection.
- Code & Compliance: UL Listed; compatible with NEC installation practices.
Typical Applications
- Panelboards, switchgear, transformer terminations
- Power distribution and substation connections
- Grounding and bonding where Cu/Al compatibility is required
- Commercial, industrial, and utility projects
Technical Specifications
| Attribute | Details |
|---|---|
| Part Number | 99005 |
| Type | Aluminum Single-Barrel Mechanical Connector |
| Material / Finish | High-strength Aluminum Alloy / Tin-Plated |
| Conductor Compatibility | Dual-rated for Copper (Cu) and Aluminum (Al) conductors |
| Conductor Range | 250 MCM – 6 AWG |
| Set Screws | Hex-head, torque-tested clamping |
| Recommended Torque* | 275 in-lb (typical for this size range). Always follow UL/NEC and job-specific requirements. |
| Certifications | UL Listed |
| Dimensions | See downloadable drawing for detailed dimensions |
*Torque guidance is typical; verify against the product label, UL file, and local code requirements.
Competitive Advantage
Conversions Tech delivers UL-certified performance and robust build quality in a distributor-first program designed to protect margins. Comparable performance to major brands (e.g., Burndy, Panduit, Ilsco) with streamlined availability and support.
Downloads
Electrical ratings, installation notes, and compliance details.
Exact dimensions and mounting/clearance references.
Frequently Asked Questions
Are Conversions Tech single-barrel connectors UL Listed?
Yes. Our aluminum single-barrel mechanical connectors are UL Listed for use with copper and aluminum conductors when installed per instructions and code.
What conductor sizes does #99005 support?
#99005 accommodates 250 MCM down to 6 AWG, covering the most common feeder and equipment termination sizes in commercial/industrial settings.
Can I use these for grounding and bonding?
Yes—commonly used in grounding/bonding circuits for panels, switchgear, and transformers. Follow NEC, AHJ guidance, and project specifications.
What torque should I apply to the set screws?
Typical torque for this size class is ~275 in-lb. Always follow the marked rating on the product and the UL/NEC requirements applicable to your job.
Do I need oxide-inhibiting compound?
When terminating aluminum conductors, using a suitable oxide-inhibiting compound is recommended per good practice and may be required by local code.
How does this compare to Burndy, Panduit, or Ilsco?
Performance targets the same UL-listed application requirements with rugged construction and distributor-friendly pricing. We focus on availability, consistency, and margin protection.
Is this connector dual-rated for Cu and Al?
Yes. The barrel and finish are designed for Cu/Al compatibility when correctly installed with properly prepared conductors.
Where can I find dimensions and installation notes?
See the Specification Sheet and Dimensional Drawing in the Downloads section above for detailed measurements and instructions.
Ready to order or need distributor pricing?
Email sales@conversionstech.com with your quantities and project details. Our team will confirm stock, lead times, and provide tiered discounts.
4 Reasons Pros Buy Direct from Conversions Tech
Headquartered in business-friendly Wyoming, we design, test, and ship every product from inside the United States—delivering genuine “Made-for-America” quality without the big-box markup.
Our in-house team owns every CAD file, mold, and QA station behind our weatherproof boxes, conduit bodies, and power inverters. Vertical control means tighter tolerances, UL-listed safety, and up to 30 % lower cost than private-label imports.
Thousands of SKUs sit ready to go. Orders placed by 2 p.m. ship the same day, keeping contractors, OEMs, and distributors on schedule.
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.
