12/3 MC Cable – Heavy-Duty Metal Clad Cable for Demanding Electrical Applications

12/3 MC Cable is a robust and flexible metal clad electrical wire designed for both commercial and industrial branch circuit wiring. With three 12 AWG conductors and a ground wire enclosed in a protective metallic armor, this cable offers enhanced safety, performance, and versatility for more complex wiring setups.

  1. Home
  2. MC Cable
  3. 12/3 MC Cable – Heavy-Duty Metal Clad Cable for Demanding Electrical Applications
  • 12 3 Mc Cable

12/3 MC Cable

Heavy-Duty Metal Clad Cable for Demanding Electrical Applications

  • Conductor Size 12 AWG (American Wire Gauge)
  • Configuration Three conductors (black, white, red) + one ground
  • Armor Interlocked aluminum armor (flexible and crush-resistant)
  • Voltage Rating 600V
  • Insulation THHN/THWN-2
  • Standards UL listed, NEC 310, 330 compliant
  • Temperature Rating Up to 90°C (dry locations)

Conatact us

Name

Email

Phone

Message

Congratulations. Your message has been sent successfully.
Error, please retry. Your message has not been sent.

12/3 MC Cable – Metal Clad Cable for Multi-Circuit 120V Wiring (50 ft, 100 ft, 250 ft,1000ft)

Looking for 12/3 MC Cable in 50 ft, 100 ft, 250 ft,or 1000 ft lengths? At TOT Wire & Cable, we supply high-quality, UL-listed 12/3 metal-clad cable that’s ready for fast delivery. Perfect for multi-circuit wiring, three-way switches, or lighting control, this cable combines performance, protection, and convenience.

📦 Available Lengths

  • ✅ 50 ft Coil – Great for short branch circuits or remodels

  • ✅ 100 ft Roll – Popular for residential/commercial runs

  • ✅ 250 ft Spool – Ideal for contractors or large-scale jobs

  • ✅ Custom Cuts Available – Let us know your required length!

⚙️ Technical Specs

  • Conductors: 3 x 12 AWG (black, white, red) + bare ground

  • Voltage Rating: 600V

  • Ampacity: 20 amps per conductor (consult NEC for derating)

  • Armor: Interlocked aluminum (flexible and protective)

  • Use Case: Dry locations, no conduit needed

🔌 Common Applications

  • Three-way and four-way switch wiring

  • Split receptacle (half-hot) circuits

  • Lighting control with separate hot wires

  • Multi-circuit office and retail branch wiring

  • Industrial control circuits requiring 3 conductors + ground

✅ Why Choose 12/3 MC Cable?

  • Simplifies Complex Circuits: Run 3 hot wires in one cable

  • Flexible & Durable: Easy to route through tight spaces

  • Armor = No Conduit: Saves installation time

  • UL & NEC Compliant: Safe, code-approved performance

  • Ready-to-Ship Lengths: Fast turnaround for standard sizes

❓ Frequently Asked Questions

Q: What’s included in 12/3 MC Cable?
A: Three 12-gauge insulated wires (usually black, white, and red) and a bare ground conductor, all inside a metal-clad aluminum armor.

Q: Can I use this outdoors?
A: Not without extra protection. Use a PVC-jacketed or MC-HL version for wet or outdoor installations.

Q: Is this cable suitable for home use?
A: Yes. It’s commonly used in multi-family homes, remodels, and smart lighting systems where multiple conductors are needed.

Related Searches

Need help choosing the right cable? Contact our team for bulk pricing and fast delivery.

 

Need Help?