12/4 MC Cable – Versatile Metal Clad Cable for 3-Phase and Multi-Circuit Power

12/4 MC Cable is a flexible armored electrical cable that includes four 12 AWG copper conductors and a ground wire. It is ideal for 20-amp 3-phase 208Y/120V systems, multi-wire branch circuits, and commercial lighting setups requiring four current-carrying conductors. This cable is protected by interlocked aluminum armor and is rated for dry location use without the need for conduit.

  1. Home
  2. MC Cable
  3. 12/4 MC Cable – Versatile Metal Clad Cable for 3-Phase and Multi-Circuit Power
  • Mc Cable 12 4

12/4 MC Cable

Versatile Metal Clad Cable for 3-Phase and Multi-Circuit Power

  • Conductor Size 12 AWG (American Wire Gauge)
  • Construction Four conductors (black, red, blue, white) + bare or green ground
  • Armor Interlocked aluminum
  • Voltage Rating 600V
  • Insulation THHN/THWN-2 insulation on all conductors
  • Standards UL Listed, NEC Article 330 compliant
  • Temperature Rating Up to 90°C (dry)

Conatact us

Name

Email

Phone

Message

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

12/4 MC Cable – Flexible Metal Clad Cable for 3-Phase & Multi-Circuit Wiring (Available in 250 ft and More)

Looking to buy 12/4 MC Cable in 250 ft or custom spool sizes? TOT Wire & Cable supplies 12 AWG 4-conductor MC Cable for commercial, industrial, and 3-phase electrical systems — available in bulk rolls or cut-to-length options.

This cable includes four 12 AWG copper conductors and a ground wire, all enclosed in durable aluminum interlocked armor, making it ideal for 20A circuits, 208Y/120V 3-phase systems, and multi-circuit branch wiring.

📦 Available Sizes

We stock 12/4 MC Cable in various standard lengths:

  • ✅ 250 ft spool – Popular for medium-sized commercial installs

  • ✅ 500 ft / 1000 ft rolls – Ideal for contractors and jobsite use

  • ✅ Custom cuts – Available on request to match your exact layout

Need a quote or sample? Contact us for fast response and competitive pricing.

⚙️ Key Features of 12/4 MC Cable

  • Four 12 AWG Conductors + Ground

  • Voltage Rating: 600V

  • Ampacity: Up to 20 amps per conductor

  • Armor Type: Interlocked aluminum (no conduit needed)

  • UL Listed & NEC Compliant

  • Dry Location Rated (ask about PVC jacketed versions for wet use)

🔌 Common Applications

  • 3-phase 208Y/120V branch circuits

  • Shared neutral or multi-wire branch circuits

  • Commercial office and retail wiring

  • Multi-circuit power feeds for lighting banks

  • Machinery wiring with dedicated hot/control wires

💡 Why Choose TOT 12/4 MC Cable?

  • 250 ft Stocked & Ready — Ideal length for commercial jobs

  • Time-Saving — Preassembled cable speeds up installation

  • No Conduit Required — Built-in armor protection

  • Custom Packaging — OEM and contractor-friendly service

  • Competitive Pricing — Direct from certified manufacturer

❓ Frequently Asked Questions

Q: Can I use 12/4 MC Cable outdoors?
A: The standard version is for dry indoor use. For wet/outdoor areas, choose PVC jacketed MC Cable (MC-HL).

Q: What’s the difference between 12/3 and 12/4 MC Cable?
A: 12/4 MC includes four conductors, allowing for three hots and a neutral, or true 3-phase 208Y/120V wiring. 12/3 only supports two hots and a neutral.

Q: Do you offer 12/4 MC Cable in lengths other than 250 ft?
A: Yes — we supply 250 ft, 500 ft, 1000 ft, and cut-to-length options depending on your project needs.

Related Searches

Need help selecting the right cable? Contact us now for expert support and bulk pricing.

Need Help?