SPEC 60366

Armorlite® Type MC THHN/THWN Aluminum Conductor Feeder Cable with Green Insulated Ground 277/480V Colors

Aluminum THHN/THWN-2 Insulated Singles with 8000 series Triple E™ Aluminum Alloy. Green Insulated AlumaFlex™ Aluminum Alloy Grounding Conductor. UL Listed. 600 Volts. Rated VW-1. Lightweight Aluminum Interlocked Armor.

...

Construction:

  1. Conductor:Class B compact stranded 8000 series H14/H24 aluminum per ASTM B800 and B801 or compact round stranded 8000 series H14/H24 aluminum per ASTM B800 and B836
  2. Insulation:All phases are insulated with Polyvinyl Chloride with Nylon Sheath Type THHN/THWN
  3. Ground:Green insulated aluminum ground
  4. Filler:Fillers as needed
  5. Binder:Mylar tape
  6. Armor:Aluminum Interlocked Armor

Applications and Features:

Southwire Armorlite® Type MC Feeder cable is suitable for use as follows:
- Feeder and service power distribution in commercial, industrial, institutional, and multi-residential buildings.
- Fished or embedded in plaster.
- Concealed or exposed installations.
- Suitable for power and lighting circuits.
- Places of Assembly per NEC 518.4 and theaters per NEC 520.5.
- Environmental air-handling spaces per NEC 300.22 (C).
- Installation in cable tray and approved raceways, or as aerial cable on a messenger.
- Under raised floors for information technology equipment conductors and cables per NEC 645.5(D) & 645.5(E)
- Class I Div. 2, Class II Div 2, & Class III Div. 1 Hazardous Locations.
- Type THHN/THWN rated 90ºC Dry
- Anti-short bushings are not required for use with MC cable per NEC and UL

Southwire Armorlite® Type MC Feeder Cable - meets or exceeds the following requirements:
- UL Online Product Guide Info - Metal-Clad Cable (PJAZ) ( www.ul.com )
- 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

Color Code
- 3/C: Brown, Orange, Yellow
- 4/C: Brown, Orange, Yellow, Gray

Specifications:

  • ASTM B800 8000 Series Aluminum Alloy Wire
  • ASTM B801 Concentric-Lay-Stranded Conductors of 8000 Series Aluminum Alloy
  • ASTM B836 Compact Rounded Stranded Aluminum Conductors
  • UL 83 Thermoplastic Insulated Wires and Cables
  • UL 1569 Metal-Clad Cables
  • UL 1479 Standard for Safety Fire Tests of Penetration Firestops
  • UL 1685 FT4 Vertical-Tray Fire Propagation and Smoke Release Test
  • IEEE 1202 FT4 Flame Test (70,000) BTU/hr Vertical Tray Test
  • RoHS Compliant Lead-Free, Silicone-Free, Halogen Free
  • Buy American: Compliant with Buy American Requirements, found in 49 U.S.C. § 5323(j); specify “Made in the USA Only!” when ordering to ensure your project receives American made products.
  • Sample Print Legend:

    E96627 {UL} TYPE MC AWG XX THHN OR THWN CDRS FOR USE IN CABLE TRAYS 600 VOLTS
    Table 1 – Weights and Measurements
    Stock NumberCond. SizeConductor NumberColorDiameter Over ConductorConductor StrandingInsulation ThicknessGround SizeDiameter Over ArmorOverall Weight
    AWG/KcmilinchmilsNo. x AWGinchlbs/1000ft
    6717151/03BN,OE,YW,GN0.33619601x41.250645
    6433363/03BN,OE,YW,GN0.42216601x41.469898
    6433404/03BN,OE,YW,GN0.47419601x21.6301130
    5933882503BN,OE,YW,GN0.5222701x21.7451335
    5892342503BN,OE,YW,GN0.5222701x1/01.7891395
    6407312503BN,OE,YW,GN0.52022701x11.7401340
    5832703003BN,OE,YW,GN0.56921701x21.8421521
    5936213503BN,OE,YW,GN0.61535701x1/01.9741756
    5750043503BN,OE,YW,0.61535701x21.9291665
    5994763503BN,OE,YW,GN0.61535701x3/02.0171834
    6722164003BN,OE,YW,GN0.65935701x3/02.1901988
    5936194003BN,OE,YW,GN0.65935701x12.0391906
    6784684003BN,OE,YW,GN0.65935701x2/02.0771969
    6418325003BN,OE,YW,GN0.73535701x12.2102225
    5862275003BN,OE,YW,GN0.73535701x2/02.2082299
    6683995003BN,OE,YW,GN0.73534701x3/02.2532316
    6757375003BN,OE,YW,GN0.73534701x3502.5682596
    5627065003BN,OE,YW0.73534701x2/02.1882257
    5851355003BN,OE,YW,GN0.73534701x2502.3062510
    6794245003BN,OE,YW,GN0.73534701x4002.3742687
    6748436003BN,OE,YW GN0.81241801x3/02.4482753
    5864896003BN,OE,YW,GN0.81241801x3502.5383046
    5864886003BN,OE,YW,GN0.81241801x4002.5263124
    5978916003BN,OE,YW0.81241801x3502.4592941
    5980336003BN,OE,YW,GN0.81241801x4/02.4482823
    5887706003BN,OE,YW,GN0.81241801x6002.6353356
    5833117503BN,OE,YW,GN0.90853801x1/02.6083205
    4570007503BN,OE,YW0.90841801x6002.8333816
    6784107503BN,OE,YW,GN0.90853801x3/02.6213278
    58883014BN,OE,YW,GY0.2988501x41.292700
    56582714BN,OE,YW,GY,GN0.2988501x41.345732
    6748931/04BN,OE,YW,GY,GN0.33619601x41.370795
    1390192/04BN,OE,YW,GY,GN0.37619601x41.510985
    5640302/04BN,OE,YW,GY,GN0.37612601x41.541042
    6406692504PK,PE,TN,GY,OE,GN0.5222601x11.961758
    5607412504BN,OE,YW,GY,0.5222701x1/01.9191725
    4577712504BN,OE,YW,GY0.5222701x1/01.9781781
    1390152504BN,OE,YW,GY,GN0.52022701x21.9161713
    5936022504BN,OE,YW,GY,GN0.52022701x11.9901755
    5932403504BN,OE,YW,GY,GN0.61535701x1/02.192262
    4568423504PK,PE,TN,GY0.61535701x22.1462205
    6746473504BN,OE,YW,GY,GN0.61635701x22.1632180
    6475084004BN,OE,YW,GY,GN0.65935701x3/02.3282575
    6437574004BN,OE,YW,GY,GN0.65935701x4/02.3532627
    4578114004BN,OE,YW,GY0.65935701x4002.4552864
    5932384004BN,OE,YW,GY,GN0.65935701x12.2672428
    5901005004BN,OE,YW,GY,GN0.73534701x2/02.5522984
    4578235004BN,OE,YW,GY,GN0.73535701x2502.5602541
    6748895004BN,OE,YW,GY,GN0.73534701x3/02.5182945
    5598705004BN,OE,YW,GY0.73534701x2502.4873050
    4578235004BN,OE,YW,GY0.73534701x2502.5563143
    4578275004BN,OE,YW,GY0.73534701x4/02.5243042
    4578335004BN,OE,YW,GY0.73534701x3502.6043261
    5890926004BN,OE,YW,GY,GN0.81241801x6002.9124118
    4568776004BN,OE,YW,GY0.81241801x3502.8053810
    4568796004BN,OE,YW,GY0.81241801x3002.7823753
    6433347504BN,OE,YW,GY,GN0.90853801x3/02.9264282
    All dimensions are nominal and subject to normal manufacturing tolerances
    ◊ Cable marked with this symbol is a standard stock item
    * Strand count meets minimum number per ASTM
    Table 2 – Electrical and Engineering Data
    Cond. SizeConductor NumberMin. Bend RadiusMax Pull TensionDC Resistance at 25°CAC Resistance at 75°CInductive Reactance @ 60HzAllowable Ampacity Raceway 75°CAllowable Ampacity Raceway 90°C
    AWG/KcmilInchesLbsΩ/1000ftΩ/1000ftΩ/1000ftAmpAmp
    1/038.819000.1680.2010.044120135
    3/0310.330200.1050.1260.042155175
    4/038.819000.0840.1000.041180205
    250312.245000.0710.0860.041205230
    250312.545000.0710.0860.041205230
    250312.245000.0710.0860.041205230
    300312.954000.0590.0710.04230260
    350313.863000.050.0620.04250280
    350313.563000.050.0620.04250280
    350314.163000.050.0620.04250280
    400315.372000.0440.0540.040270305
    400314.372000.0440.0540.04270305
    400314.572000.0440.0540.04270305
    500315.590000.0350.0440.039310350
    500315.590000.0350.0440.039310350
    500315.890000.0350.0440.039310350
    500318.090000.0350.0440.039310350
    500315.390000.0350.0440.039310350
    500316.190000.0350.0440.039310350
    500316.690000.0350.0440.039310350
    600317.1108000.0290.0370.039340385
    600317.8108000.0290.0370.039340385
    600317.7108000.0290.0370.039340385
    600317.2108000.0290.0370.039340385
    600317.1108000.0290.0370.039340385
    600318.4108000.0290.0370.039340385
    750318.3135000.0240.0310.038385435
    750319.8135000.0240.0310.038385435
    750318.3135000.0240.0310.038385435
    14916060.2110.2540.0468092
    149.416060.2110.2540.0468092
    1/049.620270.1680.2010.04496108
    2/0410.623950.1330.1600.043108120
    2/0410.825550.1330.160.043108120
    250413.748000.0710.0860.041164184
    250413.448000.0710.0860.041164184
    250413.848000.0710.0860.041164184
    250413.448000.0710.0970.027164184
    250413.948000.0710.0860.041164184
    350415.384000.050.0620.04200224
    35041567200.050.0620.04200224
    350415.167200.0510.0690.026200224
    400416.396000.0440.0540.04216244
    400416.596000.0440.0540.04216244
    400417.276800.0440.0540.04216244
    400415.876800.0430.0580.034216244
    500417.896000.0350.0440.039248280
    500417.996000.0350.0440.039248280
    500417.896000.0350.0440.039248280
    500417.4120000.0350.0440.039248280
    500417.996000.0350.0440.039248280
    500417.796000.0350.0440.039248280
    500418.296000.0350.0440.039248280
    600420.4144000.0290.0370.039272308
    600419.6115200.0290.0370.039272308
    600419.5115200.0290.0370.039272308
    750420.5180000.0240.0310.038308348
    * Ampacities based upon 2023 NEC Table 310.16. See NEC sections 310.15 and 110.14(C) for additional requirements.
    * Ampacities have been adjusted for more than Three Current-Carrying Conductors.

    Revision: 1.000.027

    Updated On: Nov. 14, 2025, 1:34 a.m. UTC