SPEC 60280

Armorlite® Type MC THHN/THWN Copper Conductor Feeder Cable 277/480V Colors

Copper THHN/THWN-2 Insulated Singles. Green or Bare Copper Grounding Conductor. UL Listed. 600 Volts. Rated VW-1. Lightweight Aluminuml Interlocked Armor.

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Construction:

  1. Conductor:Class B compressed copper per ASTM B3 and ASTM B8
  2. Insulation:All phases are insulated with Polyvinyl Chloride with Nylon Sheath Type THHN/THWN
  3. Ground:Green Insulated or bare stranded copper 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.
  • 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(E)
  • Class I Div. 2, Class II Div 2, & Class III Div. 1 Hazardous Locations.
  • Binder tape with print legend wrapped around assembly.
  • 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 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
  • Specifications:

  • ASTM B3 Soft or Annealed Copper Wire
  • ASTM B8 Concentric-Lay-Stranded Copper 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-2 (European Directive 2011/65/EU)
  • 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 ArmorCopper WeightOverall Weight
    AWG/KcmilinchmilsNo. x AWGinchlbs/1000ftlbs/1000ft
    56265813BN/OE/YW0.32219601x6 GG1.2708641141
    5626561/03BN/OE/YW0.36119601x6 GG1.24110691360
    5601074003BN/OE/YW0.70537701x250 GG2.27845215305
    6693165003BN/OE/YW0.78937701x2/0 GG2.30750925790
    6680465003BN/OE/YW0.78937701x4/0 GG2.34353376043
    5792326003BN/OE/YW0.86561801x350 GG2.57867047666
    58206814BN/OE/YW/GY0.32219601x6 GG1.33111251482
    5624691/04BN/OE/YW/GY0.36119601x61.36514471809
    6686154/04BN/OE/YW/GY0.51219601x3 GG1.88328033413
    6531312504PE/TN/PK/GY0.55837701x4 GG2.02932483919
    5538393504BN/OE/YW/GY0.66137701x12.30346275382
    5799494004BN/OE/YW/GY0.70537701x2/0 GG2.35854046273
    5964494004BN/OE/YW/GY0.70537701x250 GG2.60957696699
    1396246004PE/TN/PK/GY0.86561801x2/0 GG2.77278998971
    1382316004BN/OE/YW/GY0.86561801x2 GG2.66476918643
    All dimensions are nominal and subject to normal manufacturing tolerances
    ◊ Cable marked with this symbol is a standard stock item
    Note: Conductor number = number of phase conductors. Does not include ground
    Note: GG = Green insulated ground
    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
    138.920080.1280.1540.046130145
    1/038.725340.1020.1220.044150170
    400315.996000.0270.0350.040335380
    500316.1120000.0220.0290.039380430
    500316.4120000.0220.0290.039380430
    600318.0144000.0180.0250.039420475
    149.321420.1280.1540.046104116
    1/049.627030.1020.1220.044120136
    4/049.654170.1020.1220.044184208
    250414.264000.0430.0530.041204232
    350416.189600.0310.0390.040248280
    400416.5102400.0270.0350.040268304
    400418.3102400.0270.0350.040268304
    600419.4153600.0180.0250.039336380
    600418.6153600.0180.0250.039336380
    * 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: 1.000.009

    Updated On: May 18, 2024, 2:19 p.m. UTC