Alumaflex Riser MC™ Cable Type MC AL Feeder THHN/THWN-2 Conductors

Alumaflex Riser MC™ Cable Type MC AL Feeder THHN/THWN-2 Conductors

SKU: 58770599
Suitable for use as follows:
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1/4 AWG Copper THHN Insulated Singles. Bare Copper Grounding Conductor. UL Listed. 600 Volts. Binder Jacket for Continuous Conductor Support. Lightweight Aluminum Interlocked Armor.

  • Riser Cable, vertical applications
  • Branch, feeder and service power distribution in commercial, industrial, institutional, and multiresidential buildings.
  • Concealed or exposed installations.
  • Power, lighting, control, and signal circuits
  • Fished or embedded in plaster
  • Installation in cable tray and approved raceways.
  • Concealed or exposed installations
  • 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).


imperial metric
Stock # 58770599 58770599
No. of Conductors 4 4
Size (AWG or kcmil) 1 AWG 1 AWG
No. of Strands 1 1
Insulation Thickness (mils) (mm) 50 1.27 mils mm
Size (AWG) 0 0
Nom. OD (mils) (mm) 1818 46.18 mils mm
Nominal Total Weight (lbs/1000') (kgs/km) 1933 2876 lbs/1000' kgs/km

Standards & References

Southwire's Armorlite® Type MC Cable - Multi-Circuit meets or exceeds the following requirements:

  • UL 83
  • UL 1569
  • UL 1685
  • UL Online Product Guide Info - Metal-Clad Cable (PJAZ) ( )
  • Federal Specification A-A59544 (formerly J-C-30B)
  • NFPA 70 (National Electrical Code), Article 330
  • Listed for use in UL 1, 2 and 3 Hour Through Penetration Firestop Systems
  • Jacketed & Non Jacketed will both pass " UL Test" & "FT4/IEEE 1202" (70,000 Btu/hr) Vertical Cable Tray Flame Test
  • REACH/RoHS-2 (Chemical Limit) Compliant


Southwire Copper Riser MC™ is constructed with Type THHN/THWN-2 conductors and a bare equipment grounding conductor. A binder tape is wrapped over the conductors and an integral polymeric binder jacket is applied under armor for continuous conductor support. Aluminum interlocking armor is applied snuggly over the assembly. An optional overall PVC Jacket can be applied over the armor.


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