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    Unscreened THHN/THWN-2 Cable with Ground Wire

    Applications

    These cables are use in class 1, Division 2 Hazardous locations, may be installed in trays, wire ways, ducts, conduit and aerially when properly supported by a messenger. They are approved for direct burial, wet or dry locations and outdoors in cable trays where a sunlight resistant rating is required.

    Standards

    ICEA S-73-532

    ICEA S-95-658

    UL 1277

    UL 83

    Construction

    Conductor : Bare, annealed copper conforming to ASTM B3 and B8

    Ground wires : Sized as required by UL 1277. Sizes 14 AWG to 6 AWG have an insulated green ground wire. Sizes 4 AWG and larger have a bare ground wire.

    Insulation : Flame-retardant PVC/Nylon type THHN/THWN-2 per UL 83

    Color coded per Method #1-E2 per ICEA S-73-532 Binder tape

    Ripcord : Nylon

    Jacket : Special PVC, flame retardant, UL listed sunlight and moisture resistant, meeting the requirements of UL 1277. Color : Black

    Chemical resistance : Aliphatic and aromatic hydrocarbon resistance.

    3 Cores, 600V, Rated 90°C

    Conductor Size Grond Wire Size Insulation Thickness Jacket Thickness Nom. O.D. Approx. Weight Ampacity
    PVC Nylon
    AWG/kcmil AWG mm mm mm mm kg/km amps
    14 14 0.38 0.10 1.14 9.25 135 25
    12 12 0.38 0.10 1.14 10.36 188 30
    10 10 0.51 0.10 1.14 11.66 284 40
    8 10 0.76 0.13 1.52 15.49 449 55
    6 8 0.76 0.13 1.52 18.42 628 75
    4 8 1.02 0.15 2.03 21.77 963 95
    2 6 1.02 0.15 2.03 25.30 1433 130
    1 6 1.27 0.18 2.03 28.14 1720 150
    1/0 6 1.27 0.18 2.03 30.66 2159 170
    2/0 6 1.27 0.18 2.03 32.94 2586 195
    3/0 4 1.27 0.18 2.03 35.81 3158 225
    4/0 4 1.27 0.18 2.03 38.86 3834 260
    250 4 1.52 0.20 2.79 42.09 4508 290
    350 3 1.52 0.20 2.79 49.81 6469 350
    500 2 1.52 0.20 2.79 56.74 8660 430

    4 Cores, 600V, Rated 90°C

    Conductor Size Grond Wire Size Insulation Thickness Jacket Thickness Nom. O.D. Approx. Weight Ampacity
    PVC Nylon
    AWG/kcmil AWG mm mm mm mm kg/km amps amps*
    8 10 0.76 0.13 1.52 17.22 561 44 55
    6 8 0.76 0.13 1.52 19.81 813 60 75
    4 8 1.02 0.15 2.03 23.93 1222 76 95
    2 6 1.02 0.15 2.03 27.56 1823 104 130
    1 6 1.27 0.18 2.03 31.67 2261 120 150
    1/0 6 1.27 0.18 2.03 33.38 2695 136 170
    2/0 6 1.27 0.18 2.03 36.88 3405 156 195
    3/0 4 1.27 0.18 2.03 40.00 4101 180 225
    4/0 4 1.27 0.18 2.79 44.91 5115 208 260
    250 4 1.52 0.20 2.79 49.20 6021 232 290
    350 3 1.52 0.20 2.79 55.37 8155 280 350
    500 2 1.52 0.20 2.79 63.35 11271 344 430

    *Where the 4th conductor is the neutral of a balanced 3 phase system.

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