12/2/2 MC Cable – Dual-Circuit Metal Clad Cable with Shared Neutral for Space-Efficient Wiring

12/2/2 MC Cable is a specialty metal clad electrical cable designed for dual-circuit branch wiring in commercial and multifamily residential applications. It features four conductors (two hots and two neutrals) that support two separate circuits sharing a single return path, making it ideal for reducing cable runs and saving space without sacrificing performance or safety.

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12/2/2 MC Cable

Dual-Circuit Metal Clad Cable with Shared Neutral for Space-Efficient Wiring

  • Conductor Size 12 AWG (American Wire Gauge)
  • Construction 4 conductors – black, red (hot wires) + white, blue (neutral wires) + bare/green ground
  • Armor Interlocked aluminum armor
  • Voltage Rating 600V
  • Insulation THHN/THWN-2
  • Certifications UL listed, NEC compliant
  • Temperature Rating Up to 90°C (dry locations)

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12/2/2 MC Cable – Dual-Circuit Metal Clad Cable with Shared Neutral for Space-Efficient Wiring

12/2/2 MC Cable is a specialty metal clad electrical cable designed for dual-circuit branch wiring in commercial and multifamily residential applications. It features four conductors (two hots and two neutrals) that support two separate circuits sharing a single return path, making it ideal for reducing cable runs and saving space without sacrificing performance or safety.

Common Uses for 12/2/2 MC Cable

  • Dual circuits to kitchen or bathroom receptacles (per NEC 210.4)

  • Shared-neutral lighting or outlet circuits

  • Efficient wiring in multifamily housing units

  • Load balancing for 120V branch circuits

  • Wiring for AFCI or GFCI devices requiring dedicated neutrals

What Makes 12/2/2 MC Cable Different?

  • Two Hot + Two Neutral Conductors: Designed for two independent circuits with separate neutral wires

  • Space-Saving: Combines two circuits into a single armored cable run

  • Code-Compliant: Meets NEC 210.4(B) requirements for ungrounded conductors and grounded (neutral) conductors for multi-wire branch circuits

  • Time-Efficient Installation: Cuts down on installation time and conduit requirements in dense builds

Frequently Asked Questions

Q: What does “12/2/2” mean in MC cable?
A: It refers to a cable with two hot wires (black and red) and two neutral wires (white and blue), all 12 AWG, along with a ground. It allows for two separate 120V circuits with independent neutrals.

Q: How is 12/2/2 different from 12/2 MC Cable?
A: 12/2 MC Cable has one hot and one neutral conductor. 12/2/2 MC Cable supports two circuits, providing design flexibility and installation efficiency, especially when neutral sharing is required or mandated.

Q: Can 12/2/2 MC Cable be used in homes?
A: Yes. It's especially common in multifamily dwellings, kitchens, and bathrooms where multiple dedicated circuits are needed in limited conduit space.

Q: Is this cable allowed for shared-neutral circuits?
A: Yes. It's specifically designed to safely support shared or dedicated neutral arrangements under NEC guidelines.

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