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  • THHN  THWN  TW  THW
  • THHN  THWN  TW  THW

THHN THWN TW THW

Standard:

ASTM,BS,DIN,JIS,ect

Capacity:

10000km/month

Min.Order QTY:

1000 meters

Package:

Wooden drum,Steel wooden drum,Coil......

Port:

Qingdao,Shanghai,Tianjin,Ningbo,Shenzhen

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  • Application
  • Specification
  • Inquiry
THHN building wire is meant for use as general purpose wiring for installation in conduit or other recognized raceway. THHN may also be used for machine tool, appliance and control circuit wiring. Type THW PVC Insulated Wire can be used for many different commercial and industrial applications. These cables may be installed in wet or dry locations, indoors or outdoors, in raceways, underground ducts, aerial or direct buried.
THHN THWN
600 Volts. Copper Conductor Thermoplastic Insulation/SIM Nylon Sheath Heat, Moisture, Gasoline, and Oil Resistant
Also Rated MTW and THWN-2

UL 83 UL 1581
AWG/MCM mm2 Conductor Insulation Shealth Total Weight
Single Wire OD. PVC Nylon
No. Dia. thick min min OD. Thick mils mm OD.
      mm mm mil mm mm mil mm mm mil mm mm kg/km
16 1.31 1 1.29 1.29 15 0.38 0.51 14 0.36 2.05 4 0.1 2.25 16.73
14 2.08 1 1.626 1.626 15 0.38 0.51 14 0.36 2.386 4 0.1 2.586 24.53
12 3.29 1 2.048 2.048 15 0.38 0.51 14 0.36 2.808 4 0.1 3.008 36.61
10 5.26 1 2.589 2.589 20 0.51 0.64 19 0.48 3.609 4 0.1 3.809 58
16 1.67 7 0.551 1.653 15 0.38 0.51 14 0.36 2.413 4 0.1 2.613 21.5
14 2.08 7 0.615 1.845 15 0.38 0.51 14 0.36 2.605 4 0.1 2.805 25.84
12 3.30 7 0.775 2.325 15 0.38 0.51 14 0.36 3.085 4 0.1 3.285 38.51
10 5.26 7 0.978 2.934 20 0.51 0.64 19 0.48 3.954 4 0.1 4.154 60.82
9 6.63 7 1.098 3.294 20 0.51 0.64 19 0.48 4.314 5 0.13 4.574 75.34
8 8.32 7 1.23 3.69 30 0.76 0.9 28 0.71 5.21 5 0.13 5.47 98.69
7 10.47 7 1.38 4.14 30 0.76 0.9 28 0.71 5.66 5 0.13 5.92 120.76
6 13.21 7 1.55 4.65 30 0.76 0.9 28 0.71 6.17 5 0.13 6.43 148.58
5 16.65 7 1.74 5.22 30 0.76 0.9 28 0.71 6.74 6 0.15 7.04 183.78
4 21.12 7 1.96 5.88 40 1.02 1.1 35 0.89 7.92 6 0.15 8.22 235.76
2 33.54 7 2.47 7.41 40 1.02 1.1 35 0.89 9.45 6 0.15 9.75 359.83
16 1.23 19 0.287 1.435 15 0.38 0.51 14 0.36 2.195 4 0.1 2.395 16.72
14 2.04 19 0.37 1.85 15 0.38 0.51 14 0.36 2.61 4 0.1 2.81 25.35
12 3.30 19 0.47 2.35 15 0.38 0.51 14 0.36 3.11 4 0.1 3.31 38.27
10 5.19 19 0.59 2.95 20 0.51 0.64 19 0.48 3.97 4 0.1 4.17 59.86
9 6.50 19 0.66 3.3 20 0.51 0.64 19 0.48 4.32 5 0.13 4.58 73.64
8 8.17 19 0.74 3.7 30 0.76 0.9 28 0.71 5.22 5 0.13 5.48 95.16
7 10.53 19 0.84 4.2 30 0.76 0.9 28 0.71 5.72 5 0.13 5.98 120.74
6 13.19 19 0.94 4.7 30 0.76 0.9 28 0.71 6.22 5 0.13 6.48 145.02
5 16.45 19 1.05 5.25 30 0.76 0.9 28 0.71 6.77 6 0.15 7.07 180.78
4 21.13 19 1.19 5.74 40 1.02 1.1 35 0.89 7.78 6 0.15 8.08 229.38
3 26.40 19 1.33 6.45 40 1.02 1.1 35 0.89 8.49 6 0.15 8.79 280.88
2 33.58 19 1.5 7.26 40 1.02 1.1 35 0.89 9.3 6 0.15 9.6 350.23
1 42.12 19 1.68 8.15 50 1.27 1.38 45 1.14 10.69 7 0.18 11.05 447.22
1/0 53.30 19 1.89 9.14 50 1.27 1.38 45 1.14 11.68 7 0.18 12.04 555.15
2/0 67.07 19 2.12 10.3 50 1.27 1.38 45 1.14 12.84 7 0.18 13.2 687.52
3/0 84.53 19 2.38 11.6 50 1.27 1.38 45 1.14 14.14 7 0.18 14.5 854.27
4/0 107.18 19 2.68 13 50 1.27 1.38 45 1.14 15.54 7 0.18 15.9 1068.65
250 125.72 37 2.08 14.2 60 1.52 1.67 55 1.4 17.24 8 0.2 17.64 1272.29
300 151.06 37 2.28 15.5 60 1.52 1.67 55 1.4 18.54 8 0.2 18.94 1512.81
350 177.29 37 2.47 16.8 60 1.52 1.67 55 1.4 19.84 8 0.2 20.24 1761.4
400 202.53 37 2.64 17.9 60 1.52 1.67 55 1.4 20.94 8 0.2 21.34 1999.42
500 252.89 37 2.95 19.7 60 1.52 1.67 55 1.4 22.74 8 0.2 23.14 2470.99
600 304.24 61 2.52 22 70 1.78 1.94 65 1.65 25.56 9 0.23 26.02 2998.91
650 328.87 61 2.62 22.9 70 1.78 1.94 65 1.65 26.46 9 0.23 26.92 3231.59
750 378.30 61 2.81 24.6 70 1.78 1.94 65 1.65 28.16 9 0.23 28.62 3697.59
1000 506.04 61 3.25 28.4 70 1.78 1.94 65 1.65 31.96 9 0.23 32.42 4896.32

TW THW
TW THW 600V 60℃
UL 83 UL 1581
Type TW and THW may be used for general purpose wiring for power and lighting, for insulation in air, conduit, duct or other recognized raceways, in wet or dry locations. Maximum voltage rating= 600 V
MAXIMUM CONDUCTOR TEMPERATURE
type oil wet dry
TW 60℃ 60℃ 60℃
THW 75℃ 75℃ 75℃
MTW* 60℃ 60℃ 90℃
* 1AWG AND LARGER ONLY  
AWG/MCM mm2 Conductor Conductor Insulation Total Weight
Type Single Wire OD. PVC kg/km
  No. Dia. Thick mm Thick min OD.  
  mils  
18 0.82 solid 1 1.02 1.02 30 0.76 0.89 0.7 2.54 14.82
16 1.31 solid 1 1.29 1.29 30 0.76 0.89 0.7 2.81 20.27
14 2.09 solid 1 1.63 1.63 30 0.76 0.89 0.7 3.15 28.6
12 3.33 solid 1 2.06 2.06 30 0.76 0.89 0.7 3.58 41.48
10 5.27 solid 1 2.59 2.59 30 0.76 0.89 0.7 4.11 60.93
8 8.35 solid 1 3.26 3.26 45 1.14 1.22 1 5.54 98.99
6 13.33 solid 1 4.12 4.12 60 1.52 1.67 1.4 7.16 162.23
4 21.16 solid 1 5.19 5.19 60 1.52 1.67 1.4 8.23 240.34
18 0.82 B 7 0.386 1.158 30 0.76 0.89 0.7 2.678 15.65
16 1.31 B 7 0.488 1.464 30 0.76 0.89 0.7 2.984 21.43
14 2.08 B 7 0.615 1.845 30 0.76 0.89 0.7 3.365 30.1
12 3.30 B 7 0.775 2.325 30 0.76 0.89 0.7 3.845 43.38
10 5.26 B 7 0.978 2.934 30 0.76 0.89 0.7 4.454 64.02
8 8.32 B 7 1.23 3.69 45 1.14 1.22 1 5.97 103.92
6 13.21 B 7 1.55 4.65 60 1.52 1.67 1.4 7.69 169.62
4 21.12 B 7 1.96 5.88 60 1.52 1.67 1.4 8.92 252.44
2 33.54 B 7 2.47 7.41 60 1.52 1.67 1.4 10.45 379.53
1 42.62 B 19 1.69 8.18 80 2.03 2.11 1.8 12.24 480.75
1/0 53.30 B 19 1.89 9.19 80 2.03 2.11 1.8 13.25 586.71
2/0 67.70 B 19 2.13 10.34 80 2.03 2.11 1.8 14.4 727.52
3/0 85.24 B 19 2.39 11.61 80 2.03 2.11 1.8 15.67 897.84
4/0 107.18 B 19 2.68 13 80 1.52 1.67 1.4 16.44 1097.15
250 126.94 B 37 2.09 14.2 95 2.41 2.56 2.2 19.02 1340.08
300 152.39 B 37 2.29 15.54 95 2.41 2.56 2.2 20.36 1586.07
350 177.29 B 37 2.47 16.79 95 2.41 2.56 2.2 21.61 1825.98
400 202.53 B 37 2.64 17.96 95 2.41 2.56 2.2 22.78 2068.12
500 252.89 B 37 2.95 20.04 95 2.41 2.56 2.2 24.86 2548.31
600 304.24 B 61 2.52 22 110 2.79 2.89 2.5 27.58 3084.92
750 380.99 B 61 2.82 24.64 110 2.79 2.89 2.5 30.22 3816.9
1000 506.04 B 61 3.25 28.4 110 2.79 2.89 2.5 33.98 5002.6

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