Customization: | Available |
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Type: | Insulated |
Conductor Type: | Stranded |
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THHN PVC Insulated Nylon Coated Copper Conductor Electric Cables UL standard
1. Applications
THHN/THWN type conductors, installed by conduit in accordance with the National Electrical Code, for service, feeder and branch circuit wiring in commercial/industrial systems.
Type THHN cables are suitable for use in environments where the temperature does not exceed 90°C dry.
THWN cables are suitable for use in dry environments up to 90°C, in wet environments up to 75°C or in oil/coolants up to 75°C.
THWN - Category 2 cables are suitable for use in dry or humid environments at temperatures up to 90°C and in oil/coolants up to 75°C.
2. Standards
Part No. |
Conductor | Insulation | Jacket | Max Dia- meter (mm) |
Ref.W (kg/km) |
|||||
Type |
Size (AWG ) |
Construction (No./mm) |
Dia- Meter (mm) |
Nominal Thickness (mm) |
Nominal Diameter (mm) |
Minimum Thickness At any point (mm) |
Nominal Diameter (mm) |
|||
THHN-14B | Stranded conductor |
14 | 7/0.62 | 1.86 | 0.38 | 2.66 | 0.10 | 2.90 | 3.3 | 25.2 |
THHN-14B1 | 14 | 19/0.38 | 1.90 | 0.38 | 2.70 | 0.10 | 2.94 | 3.4 | 25.4 | |
THHN-12B | 12 | 7/0.78 | 2.34 | 0.38 | 3.14 | 0.10 | 3.38 | 3.8 | 38.2 | |
THHN-12B1 | 12 | 19/0.47 | 2.35 | 0.38 | 3.15 | 0.10 | 3.39 | 3.8 | 38.6 | |
THHN-10B | 10 | 7/0.98 | 2.94 | 0.51 | 4.00 | 0.10 | 4.24 | 4.8 | 59.1 | |
THHN-10B1 | 10 | 19/0.60 | 3.00 | 0.51 | 4.06 | 0.10 | 4.30 | 4.8 | 59.6 | |
THHN-8B | 8 | 7/1.23 | 3.69 | 0.76 | 5.25 | 0.13 | 5.55 | 6.2 | 97.1 | |
THHN-8B1 | 8 | 19/0.75 | 3.75 | 0.76 | 5.31 | 0.13 | 5.61 | 6.3 | 96.7 | |
THHN-6B | 6 | 7/1.56 | 4.68 | 0.76 | 6.24 | 0.13 | 6.54 | 7.3 | 147.0 | |
THHN-6B1 | 6 | 19/0.95 | 4.77 | 0.76 | 6.33 | 0.13 | 6.63 | 7.4 | 146.5 | |
THHN-4B | 4 | 7/1.96 | 5.88 | 0.76 | 7.44 | 0.13 | 7.74 | 8.7 | 135.8 | |
THHN-4B1 | 4 | 19/1.19 | 5.95 | 0.76 | 7.51 | 0.13 | 7.81 | 8.7 | 135.7 | |
THHN-3B | 3 | 7/2.20 | 6.60 | 1.02 | 8.68 | 0.15 | 9.02 | 10.0 | 292.2 | |
THHN-3B1 | 3 | 19/1.33 | 6.65 | 1.02 | 8.73 | 0.15 | 9.07 | 10.0 | 291.6 | |
THHN-2B | 2 | 7/2.47 | 7.41 | 1.02 | 9.49 | 0.15 | 9.83 | 11.0 | 361.5 | |
THHN-2B1 | 2 | 19/1.50 | 7.50 | 1.02 | 9.58 | 0.15 | 9.92 | 11.0 | 361.0 | |
THHN-1B | 1 | 19/1.68 | 8.40 | 1.02 | 10.48 | 0.18 | 10.88 | 12.1 | 457.8 | |
THHN-1/0B | 1/0 | 19/1.89 | 9.45 | 1.27 | 12.03 | 0.18 | 12.43 | 13.8 | 585.6 | |
THHN-2/0B | 2/0 | 19/2.12 | 10.60 | 1.27 | 13.18 | 0.18 | 13.58 | 15.1 | 724.7 | |
THHN-3/0B | 3/0 | 19/2.38 | 11.90 | 1.27 | 14.48 | 0.18 | 14.88 | 16.5 | 900.2 | |
THHN-4/0B | 4/0 | 19/2.67 | 13.35 | 1.27 | 15.93 | 0.18 | 16.33 | 18.1 | 1118.2 | |
THHN-14A | Solid conductor |
14 | 1/1.63 | 1.63 | 0.38 | 2.43 | 0.10 | 2.67 | 3.1 | 22.6 |
THHN-12A | 12 | 1/2.05 | 2.05 | 0.38 | 2.85 | 0.10 | 3.09 | 3.5 | 36.1 | |
THHN-10A | 10 | 1/2.59 | 2.59 | 0.51 | 3.65 | 0.10 | 3.89 | 4.4 | 57.4 | |
THHN-8A | 8 | 1/3.26 | 3.26 | 0.76 | 4.82 | 0.13 | 5.12 | 5.7 | 94.7 |
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