8/4 MC Cable – Heavy-Duty 4-Conductor Metal Clad Cable for Industrial and High-Power Applications

Our 8/4 MC (Metal Clad) Cable is engineered for demanding commercial and industrial applications, providing robust protection and reliable power transmission. This versatile cable features four 8-gauge conductors encased in a durable interlocked aluminum armor, offering superior mechanical protection against impact, crushing, and abrasion.

  • 8 4 Mc Cable

8/4 MC Cable


Rugged Durability, Reliable Power

  • Conductor Size 8 AWG (American Wire Gauge)
  • Construction Four color-coded conductors (typically black, red, blue, white) + ground
  • Armor Interlocked aluminum armor
  • Voltage Rating 600V
  • Insulation THHN/THWN-2 insulation
  • Standards UL Listed, NEC Article 330 compliant
  • Temperature Rating 90°C (dry locations)


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Our 8/4 MC (Metal Clad) Cable is engineered for demanding commercial and industrial applications, providing robust protection and reliable power transmission. This versatile cable features four 8-gauge conductors encased in a durable interlocked aluminum armor, offering superior mechanical protection against impact, crushing, and abrasion.


Key Features:

  • Premium Construction: Features four 8 AWG (American Wire Gauge) copper conductors for efficient power delivery.
  • Interlocked Aluminum Armor: Provides exceptional physical protection, making it ideal for exposed or concealed installations in dry locations.
  • Grounding Conductor: Includes a dedicated grounding conductor for enhanced safety.
  • Flexible Design: Despite its robust armor, the interlocked design allows for greater flexibility during installation compared to conduit.
  • UL Listed: Meets rigorous safety standards for quality and performance.
  • Versatile Applications: Suitable for use as feeder and branch circuit wiring, services, and in various commercial and industrial settings.

Common Applications:

  • Commercial and industrial lighting
  • Power distribution
  • Motor feeds
  • HVAC systems
  • Control circuits
  • Data centers
  • Healthcare facilities

Why Choose Our 8/4 MC Cable?

When your project demands a wiring solution that can withstand harsh environments while delivering consistent power, our 8/4 MC Cable is the ideal choice. Its robust construction minimizes the need for conduit in many applications, saving you time and labor costs during installation. Trust in its proven performance and safety compliance for your critical electrical systems.


Frequently Asked Questions

Q: What is the ampacity of 8/4 MC Cable?
A: Typically 40 amps, but may vary depending on derating and installation environment. Check NEC tables and local codes.

Q: Can 8/4 MC Cable be used outdoors?
A: Standard MC Cable is for dry locations. For wet/outdoor installations, use MC Cable with a PVC jacket.

Q: Is 8/4 MC Cable suitable for 3-phase wiring?
A: Yes, it can be used for 3-phase 208Y/120V or 240V systems that require four conductors and a ground.


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