mcm
Large Cross-Section Copper Conductors (MCM)
Sark Wire manufactures large cross-section copper conductors in bare, tinned, and nickel-plated copper, designed for applications requiring high current capacity, mechanical durability, and reliable electrical performance.
Our large MCM conductors are produced in the United States using controlled drawing, stranding, and plating processes to ensure consistent conductor geometry, dependable plating quality, and reliable performance in demanding environments.
We produce large cross-section copper conductors ranging from 250 MCM through 1200 MCM, supporting both standard and custom requirements.
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Sark Wire supplies large MCM copper conductors to customers who require high-capacity conductors for power, industrial, and infrastructure applications.
We commonly serve:
Cable and wire manufacturers
Our customers rely on consistent conductor quality, dependable supply, and reliable performance in high-load applications.
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Sark Wire maintains rigorous quality control and traceability throughout production to ensure conductor performance and reliability.
Certifications include:
Quality testing and process monitoring are conducted throughout production to ensure compliance with customer specifications and industry requirements.
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Our large cross-section copper conductors are produced using controlled stranding and plating processes designed to maintain consistent mechanical and electrical properties.
Capabilities include:
Bare copper large MCM conductors
Tin-plated copper large MCM conductors
Nickel-plated copper large MCM conductors
High-current capacity constructions
Consistent lay and strand geometry
Tight diameter tolerances
Smooth surface finish for improved insulation performance
Custom packaging options
Flexible production scheduling
We work closely with customers to match conductor constructions to their specific electrical, mechanical, and environmental requirements.
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Sark Wire produces large cross-section copper conductors ranging from 250 MCM to 1200 MCM.
Available materials:
Bare copper
Tin-plated copper
Nickel-plated copper
Typical applications include:
Custom constructions and packaging options are available based on customer requirements.
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Our large MCM copper conductors are used in demanding applications across multiple industries:
These industries require conductors that provide high current capacity, mechanical durability, and dependable electrical performance.
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Customers choose Sark Wire because we offer:
U.S.-based manufacturing
Reliable lead times
Consistent conductor quality
Plating expertise (tin and nickel)
Technical support and responsiveness
Flexible production scheduling
We understand the needs of cable manufacturers and OEMs and work to provide dependable conductor solutions that support efficient production and long-term reliability.

