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ASTM UL Thermoplastic High Heat Resistant Nylon Coated THHN THWN THWN-2 Wire

THHN Thermoplastic High Heat-resistant Nylon-coated wire is a single conductor wire with PVC insulation and a nylon jacket.


THWN thermoplastic heat- and water-resistant wire is essentially the same as THHN and the two are often used interchangeably. THWN is also a single conductor wire with PVC insulation and a nylon jacket.


THWN-2 wire is basically a THWN wire with extra heat protection and it can be used in very high heat situations (up to 90°C or 194°F).

    Application

    THHN THWN THWN-2 Wire are suitable for use as machine tool, control circuit, or appliance wiring. Both THNN and THWN have PVC insulation with nylon jackets. The thermoplastic PVC insulation makes THHN and THWN wire have flame-retardant properties, while the nylon jacketing also adds resistance to chemicals such as gasoline and oil.

    General purpose building wire for services, feeders and branch circuits.

    Installation: in ducts tubing and boards; raceways for 1/0 AWG and greatersizes, according to NEC and NTC 2050 standards.

    Technical Performance

    Rated Voltage (Uo/U) 600V
    Conductor temperature Maximum conductor temperature in normal use: 250ºC
    Installation temperature Ambient temperature under installation shall not be below -40ºC
    Minimum bending radius
    The bending radius of cable 4 x cable diameter

    Constructions

    Conductor: multi-strand soft annealed copper, ASTM B8 Class B

    Insulation: heat resistant, moisture-proof polyvinyl chloride (PVC) + Nylon coating insulation

    Color: Black, gray, other colors

    Specifications

    UL 83 - Thermoplastic material insulated cableCSA C22.2 No. 75-03UL 1063 (MTW) - Machine Tool Wire and Cable (Multi-strand)UL 758 (AWM)ICEA S-95-658/NEMA WC 70

    Data Sheet

    SIZE

     

    STRANDS STRANDING

    SECTION

    CONDUCTOR

    INSULATION

    INSULATION

    JACKET

    JACKET

    DC

    APPROX.

    AMPACITY²

    AMPACITY²

    AWG/

    No.

    CLASS

    (mm ²)

    DIAMETER

    THICKNESS

    DIAMETER

    THICKNESS

    DIAMETER

    RESISTANCE

    TOTAL

    (A)³

    (A)⁴

    komil

         

    (mm)

    (mm)

    (mm)

    (mm)

    (mm)

    AT 20℃1

    WEIGTH

       

                   

    (ohm/km)

    (kg/km)

       

    14

    1

    Solid

    2.08

    1.63

    0.38

    2.47

    0.10

    2.73

    8.29

    24

    35

    25

    14

    7

    B

    2.08

    1.79

    0.38

    2.63

    0.10

    2.89

    8.45

    25

    35

    25

    14

    19

    C

    2.08

    1.75

    0.38

    2.59

    0.10

    2.85

    8.45

    24

    35

    25

    12

    1

    Solid

    3.31

    2.05

    0.38

    2.89

    0.10

    3.15

    5.21

    35

    40

    30

    12

    7

    B

    3.31

    2.25

    0.38

    3.09

    0.10

    3.36

    5.31

    37

    40

    30

    12

    19

    C

    3.31

    2.21

    0.38

    3.05

    0.10

    3.31

    5.31

    37

    40

    30

    10

    1

    Solid

    5.26

    2.59

    0.51

    3.69

    0.10

    3.95

    3.28

    56

    55

    40

    10

    7

    B

    5.26

    2.85

    0.51

    3.94

    0.10

    4.21

    3.34

    59

    55

    40

    10

    19

    C

    5.26

    2.78

    0.51

    3.88

    0.10

    4.14

    3.34

    58

    55

    40

    8

    1

    Solid

    8.37

    3.26

    0.76

    4.86

    0.13

    5.19

    2.06

    92

    80

    55

    8

    7

    B

    8.37

    3.59

    0.76

    5.19

    0.13

    5.52

    2.10

    97

    80

    55

    8

    19

    C

    8.37

    3.51

    0.76

    5.11

    0.13

    5.44

    2.10

    95

    80

    55

    6

    1

    Solid

    13.30

    4.12

    0.76

    5.72

    0.13

    6.05

    1.30

    139

    105

    75

    6

    7

    B

    13.30

    4.52

    0.76

    6.12

    0.13

    6.45

    1.32

    146

    105

    75

    6

    19

    C

    13.30

    4.42

    0.76

    6.02

    0.13

    6.35

    1.32

    144

    105

    75

    4

    7

    B

    21.15

    5.71

    1.02

    7.82

    0.15

    8.22

    0.831

    234

    140

    95

    4

    19

    C

    21.15

    5.58

    1.02

    7.69

    0.15

    8.09

    0.831

    231

    140

    95

    2

    7

    B

    33.63

    7.20

    1.02

    9.31

    0.15

    9.71

    0.523

    358

    190

    130

    2

    19

    C

    33.63

    7.04

    1.02

    9.15

    0.15

    9.55

    0.523

    353

    190

    130

    1

    19

    B

    42.41

    7.90

    1.27

    10.54

    0.18

    11.00

    0.415

    452

    220

    150

    1

    37

    C

    42.41

    8.18

    1.27

    10.82

    0.18

    11.28

    0.415

    453

    220

    150

    1/0

    19

    B

    53.48

    8.88

    1.27

    11.52

    0.18

    11.98

    0.329

    560

    260

    170

    1/0

    37

    C

    53.48

    9.18

    1.27

    11.82

    0.18

    12.28

    0.329

    561

    260

    170

    2/0

    19

    B

    67.43

    9.96

    1.27

    12.61

    0.18

    13.07

    0.261

    695

    300

    195

    2/0

    37

    C

    67.43

    10.31

    1.27

    12.95

    0.18

    13.41

    0.261

    696

    300

    195

    3/0

    19

    B

    85.03

    11.19

    1.27

    13.83

    0.18

    14.29

    0.207

    864

    350

    225

    3/0

    37

    C

    85.03

    11.58

    1.27

    14.22

    0.18

    14.68

    0.207

    865

    350

    225

    4/0

    19

    B

    107.2

    12.56

    1.27

    15.20

    0.18

    15.66

    0.164

    1077

    405

    260

    4/0

    37

    C

    107.2

    13.00

    1.27

    15.64

    0.18

    16.10

    0.164

    1078

    405

    260

    250

    37

    B

    126.7

    14.18

    1.52

    17.35

    0.20

    17.87

    0.139

    1286

    455

    290

    250

    61

    C

    126.7

    14.18

    1.52

    17.35

    0.20

    17.87

    0.139

    1284

    455

    290

    300

    37

    B

    152.0

    15.52

    1.52

    18.69

    0.20

    19.22

    0.116

    1529

    505

    320

    300

    61

    C

    152.0

    15.52

    1.52

    18.69

    0.20

    19.22

    0.116

    1526

    505

    320

    350

    37

    B

    177.3

    16.78

    1.52

    19.95

    0.20

    20.48

    0.0992

    1770

    570

    350

    350

    61

    C

    177.3

    16.78

    1.52

    19.95

    0.20

    20.48

    0.0992

    1767

    570

    350

    400

    37

    B

    202.7

    17.94

    1.52

    21.11

    0.2

    21.63

    0.0868

    2011

    615

    380

    400

    61

    C

    202.7

    17.94

    1.52

    21.11

    0.2

    21.63

    0.0868

    2007

    615

    380

    500

    37

    B

    253.4

    20.04

    1.52

    23.21

    0.2

    23.74

    0.0694

    2491

    700

    430

    500

    61

    C

    253.4

    20.04

    1.52

    23.21

    0.2

    23.74

    0.0964

    2486

    700

    430

    600

    61

    B

    304.0

    22.00

    1.78

    25.70

    0.23

    26.29

    0.0578

    2998

    780

    475

    600

    91

    C

    304.0

    22.00

    1.78

    25.70

    0.23

    26.29

    0.0578

    2991

    780

    475

    700

    61

    B

    354.7

    23.75

    1.78

    27.45

    0.23

    28.04

    0.0496

    3476

    855

    520

    700

    91

    C

    354.7

    23.75

    1.78

    27.45

    0.23

    28.04

    0.0496

    3469

    855

    520

    750

    61

    B

    380.0

    24.59

    1.78

    28.29

    0.23

    28.88

    0.0463

    3715

    855

    535

    750

    91

    C

    380.0

    24.59

    1.78

    28.29

    0.23

    28.88

    0.0463

    3707

    855

    535

    800

    61

    B

    405.4

    25.39

    1.78

    29.09

    0.23

    29.68

    0.0434

    3954

    920

    555

    800

    91

    C

    405.4

    25.39

    1.78

    29.09

    0.23

    29.68

    0.0434

    3945

    920

    555

    900

    61

    B

    456.0

    26.94

    1.78

    30.64

    0.23

    31.23

    0.0386

    4431

    985

    585

    900

    91

    C

    456.0

    26.94

    1.78

    30.64

    0.23

    31.23

    0.0386

    4421

    985

    585

    1000

    61

    B

    506.7

    28.38

    1.78

    32.08

    0.23

    32.68

    0.0347

    4906

    1055

    615

    1000

    91

    C

    506.7

    28.38

    1.78

    32.08

    0.23

    32.68

    0.0347

    4895

    1055

    615