| Application: | Building Wire |
|---|---|
| Conductor Material: | Copper |
| Cover Material: | Nylon |
|
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THW-Copper Conductor-PVC Insulation-Heat and Moisture Resistant-FlameRetardant
Application
THW conductors are primarily used in conduit or recognized raceways for services, feeders, and branch circuit wiring as specified in the National Electrical Code. THW conductors may be used in wet or dry locations at temperatures not to exceed 90°C dry or 75°C wet. Voltage rating for THW conductors is 600 volts. This product in sizes 500kcmil and larger is designed to be installed without the application of pulling lubricant.
Standards
• UL Standard 83
• NFPA 70; National Electrical Code® (NEC®);• ASTM B800, ASTM B801
• Flame Test FT-2, VW-1
Construction
THW Technical data
THW-2-Copper Conductor-PVC Insulation-Heat and Moisture Resistant-Flame Retardant 600V
Application
THW-2 conductors are primarily used in conduit or recognized raceways for services, feeders, and
branch circuitwiring as specified in the National Electrical Code. THW-2 conductors may be used
in wet or dry locations at temperatures not to exceed 90°C dry or 90°C wet. Voltage rating for THW-2 conductors is 600 volts. This product in sizes 500kcmil and larger is designed to be installed without the application of pulling lubricant.
Standards
• UL Standard 83
• NFPA 70; National Electrical Code® (NEC®);• ASTM B800, ASTM B801
• Flame Test FT-2, VW-1
THHN-Copper Conductor-PVC Insulation-Nylon Jacket-Heat and Moisture Resistant-Flame Retardant 600V
THHN Copper Conductor-PVC Insulation-Nylon Jacket Heat
Resistant and Flame Retardant 600V
Temperature rating not to exceed:
THHN/THWN: 90°C dry and dump, 600V
THHN/THWN: 75 °C wet or in oil, 600V
THWN-2: 90°C Dry, wet or in oil,600V
| Conductor | Insulation |
Nylon |
O.D. (mm) |
Approximate weight kg/km |
(20OC) Max. conductor dc resista nee Q/km |
Allowable Ampacities 90C (A) |
||
| America Wire (AWG) |
No. of wire conductor (No.) |
O.D. (mm) |
Thick ness (mm) |
Thick ness (mm) |
||||
| 14AWG | 7 | 1.80 | 0.38 | 0.10 | 2.9 | 24.9 | 8.62 | 15 |
| 12AWG | 7 | 2.26 | 0.38 | 0.10 | 3.4 | 37.2 | 5.43 | 20 |
| 10AWG | 7 | 2.87 | 0.51 | 0.10 | 4.3 | 59.0 | 3.41 | 30 |
| 8AWG | 7 | 3.6 | 0.76 | 0.13 | 5.7 | 97.2 | 2.14 | 55 |
| 6AWG | 7 | 4.5 | 0.76 | 0.13 | 6.6 | 145.5 | 1.35 | 75 |
| 4AWG | 7 | 5.6 | 1.02 | 0.15 | 8.3 | 233.0 | 0.848 | 100 |
| 3AWG | 7 | 6.3 | 1.02 | 0.15 | 9.0 | 286.4 | 0.673 | 115 |
| 2AWG | 7 | 7.2 | 1.02 | 0.15 | 9.9 | 353.6 | 0.534 | 130 |
| 1AWG | 19 | 8.2 | 1.27 | 0.18 | 11.6 | 455.4 | 0.423 | 145 |
| 1/0AWG | 19 | 9.2 | 1.27 | 0.18 | 12.6 | 562.0 | 0.335 | 170 |
| 2/0AWG | 19 | 10.0 | 1.27 | 0.18 | 13.5 | 692.0 | 0.266 | 195 |
| 3/0AWG | 19 | 11.6 | 1.27 | 0.18 | 15.1 | 861.3 | 0.211 | 225 |
| 4/0AWG | 19 | 13.0 | 1.27 | 0.18 | 16.5 | 1068.1 | 0.167 | 260 |
| 250kcmil | 37 | 14.2 | 1.52 | 0.20 | 18.3 | 1281.2 | 0.142 | 290 |
| 300kcmil | 37 | 15.4 | 1.52 | 0.20 | 19.5 | 1514.8 | 0.118 | 320 |
| 350kcmil | 37 | 17.0 | 1.52 | 0.20 | 21.2 | 1752.2 | 0.101 | 350 |
| 400kcmil | 37 | 18.0 | 1.52 | 0.20 | 22.2 | 1992.8 | 0.0885 | 380 |
| 500Kcmil | 37 | 20.0 | 1.52 | 0.20 | 24.2 | 2456.3 | 0.0709 | 430 |
| 600Kcmil | 61 | 22.0 | 1.78 | 0.23 | 26.9 | 2970.0 | 0.0590 | 475 |
| 750Kcmil | 61 | 24.4 | 1.78 | 0.23 | 29.4 | 3672.2 | 0.0472 | 535 |
| 1000Kcmil | 61 | 28.4 | 1.78 | 0.23 | 33.5 | 4845.5 | 0.0354 | 615 |
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