Duraclad® Type MC

Southwire #: 55173301

14/4 AWG Copper THHN/THWN Insulated Singles. Green Copper THHN Insulated Grounding Conductor. UL Listed. 600 Volts. Rated VW-1. Lightweight Steel Interlocked Armor. Also available in Blue Steel Armor.

Download Category Specifications
PDF Excel Table
Select Product Specifications
Outer Jacket / Armor Color


Southwire Duraclad® Type MC Cable is suitable for use as follows:

  • Branch, feeder and service power distribution in commercial, industrial, institutional, and multi-residential buildings.
  • Fished or embedded in plaster.
  • Concealed or exposed installations.
  • Environmental air-handling spaces per NEC 300.22(C).
  • Places of Assembly per NEC 518.4 and theaters per NEC 520.5
  • Installation in cable tray and approved raceways.
  • Under raised floors for information technology equipment conductors and cables per NEC 645.5(D) & 645.5(D)(2).
  • Class I Div. 2, Class II Div 2, & Class III Div. 1 Hazardous Locations.


imperial metric
Stock # 55173301 55173301
No. of Conductors 4 4
Size (AWG or kcmil) 14 AWG 14 AWG
No. of Strands 1 1
Insulation Thickness (mils) (mm) 15 0.38 mils mm
Size (AWG) 14 14
Nom. OD (mils) (mm) 504 12.81 mils mm
Nominal Total Weight (lbs/1000') (kgs/km) 164 244 lbs/1000' kgs/km

Standards & References

Southwire Duraclad® Type MC Cable meets or exceeds the following requirements:

  • UL 83
  • UL 1569
  • UL 1685
  • UL Online Product Guide Info - Metal-Clad Cable (PJAZ) ( www.ul.com )
  • Federal Specification A-A-59544
  • NFPA 70 (National Electrical Code), Article 330
  • Jacketed & Non Jacketed will both pass " UL Test" & "FT4/IEEE 1202" (70,000 Btu/hr) Vertical Cable Tray Flame Test
  • Listed for use in UL 1, 2, and 3 Hour Through-Penetration Firestop Systems
  • REACH/RoHS-2 (Chemical Limit) Compliant


Southwire Duraclad Type MC Cable is constructed with soft-drawn copper, Type THHN/THWN conductors and a green insulated grounding conductor. The conductors are cabled together and a binder tape bearing the print legend is wrapped on the assembly. Light weight galvanized steel interlocked armor is applied over the assembly. Blue steel armor is also available.


There are no downloadable resources for this product.