ALUMINUM MC CABLE

MC Cable, short for metal-clad cable, is an electrical cable featuring insulated wires enclosed within a protective metallic sheath, most often aluminum. This robust metallic casing not only shields the wires but also acts as a crucial grounding path. You'll find MC cable widely used across residential, commercial, and industrial environments. Read our Aluminum MC Cable Buyers Guide.

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Yes. Wire America provides custom cut-to-length fulfillment on feeder-size Aluminum MC Cables, as well as full master reels, so you get the exact footage your project requires with zero job-site waste.

Standard interlocking aluminum MC cable is rated for dry indoor locations, cable trays, and raceways. For wet, outdoor, or underground applications, you must use PVC-jacketed Aluminum MC Cable (approved per NEC Article 330) to prevent moisture intrusion and corrosion.

Our Aluminum MC Cable features compact-stranded AA-8000 series aluminum alloy conductors. Depending on the size and rating, conductors are insulated with either heavy-duty XHHW-2 (cross-linked polyethylene) or THHN/THWN-2 rated for 90°C continuous operation.

Yes. All Wire America Aluminum MC Cable meets UL 1569 and NEC Article 330 standards. The interlocking aluminum armor, combined with the internal full-sized ground conductor, provides a code-compliant equipment grounding path.

Aluminum MC Cable offers a significant cost savings on material—often 30% to 50% lower than copper—and is significantly lighter in weight. This makes long feeder pulls faster, easier on installation crews, and much more budget-friendly for large commercial and industrial projects.

Most standard Aluminum MC Cable orders—including custom cut-to-length and standard reels—process and ship within 24 to 48 hours from our distribution centers nationwide to ensure your job site stays on schedule.

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Aluminum MC Cable (Metal Clad)

Aluminum Metal Clad (MC) cable provides a highly durable and flexible solution for electrical power and lighting circuits in commercial, industrial, and multi-residential buildings. This assembly typically features solid or stranded soft-drawn copper conductors protected by a lightweight, interlocking aluminum alloy armor. Designed to replace traditional conduit and wire installations, MC cable significantly reduces labor costs while providing superior mechanical protection. The internal conductors are insulated with high-heat resistant THHN/THWN-2 material and bundled with a dedicated green grounding conductor, ensuring a safe and reliable path for electrical current in both concealed and exposed environments.


Key Features
  • Flexible Interlocking Armor: Lightweight, high-strength aluminum alloy armor provides excellent crush resistance without the need for rigid conduit.
  • High-Performance Insulation: Features color-coded conductors with THHN/THWN-2 insulation, rated for 90°C and 600V applications.
  • Labor Efficiency: Eliminates the need for pipe-bending and traditional wire pulling, allowing for faster installation through metal studs.
  • Integrated Grounding: Includes a full-sized green insulated copper grounding conductor for enhanced safety and simplified terminations.
  • Regulatory Compliance: Manufactured to meet UL 1569 and UL 83 standards, fully compliant with NEC Article 330.
Common Applications
  • Commercial Branch Wiring: Used for power, lighting, and control circuits in offices, retail stores, and hotels.
  • Industrial Facilities: Ideal for assembly lines, warehouses, and manufacturing plants where mechanical protection is required.
  • Renovations & Retrofits: Perfect for "fished" installations in existing walls where installing rigid conduit is impractical.
  • HVAC Equipment Power: Frequently used to provide dedicated power runs to air conditioning units and rooftop mechanical equipment.
  • Data Centers: Utilized for underfloor power distribution and overhead rack power in sensitive networking environments.
  • Healthcare Facilities: Suitable for non-patient care areas in hospitals and clinics per NEC requirements.
  • Multi-Family Housing: Common in high-rise apartments and condominiums for main feeder and branch circuit distribution.

Resources & Guides

Category_Buying Guide
What is Aluminum MC Cable?
December 08, 2025
Read More
Category_Buying Guide
Why Aluminum Wire?
October 31, 2025
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