Application
Type THW cable is suitable for most current wiring solutions for residential, commercial and industrial environments. It is used in service entrance, feeders and branch circuits for permanent installations.
Temperature rating and voltage rating 75°C dry or wet , 600V
Standards
PNS 35-1
Construction
Conductor
Annealed copper, solid or stranded, sizes 2.0mm2 up to 500mm2
- Conforming to requirements of PNS 260 for solid conductor or
- PNS 1207 for stranded conductors
Insulation
PVC conforming to the requirements of PNS 661
General data for type THW, 75℃, 600V wire
| Conductor | Minimum insulation thickness, mm |
Approx. overall diameter mm |
Test voltage, KV a.c. |
Minimum insulation resistance, MΩ-km |
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| Nominal sectional area mm2 |
Composition | Outside diameter mm |
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| Number of wires |
Wire diameter mm |
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| Average | At any point |
Spark | Immersion | 20℃ | 60℃ | ||||||
| 2.0 | 1 | 1.6 | 1.60 | 0.80 | 0.68 | 3.20 | 7.5 | 1.5 | 130 | 0.05 | |
| 7 | 0.6 | 1.80 | 3.40 | ||||||||
| 3.5 | 1 | 2.0 | 2.00 | 0.80 | 0.68 | 3.60 | 7.5 | 1.5 | 130 | 0.05 | |
| 7 | 0.8 | 2.40 | 4.00 | ||||||||
| 5.5 | 1 | 2.6 | 2.60 | 0.80 | 0.68 | 4.20 | 7.5 | 1.5 | 100 | 0.05 | |
| 7 | 1.0 | 3.00 | 4.60 | ||||||||
| 8.0 | 1 | 3.2 | 3.20 | 1.20 | 1.02 | 5.60 | 10.0 | 2.0 | 100 | 0.05 | |
| 7 | 1.2 | 3.60 | 6.00 | ||||||||
| 14 | 7 | 1.6 | 4.80 | 1.60 | 1.36 | 8.00 | 10.0 | 2.0 | 80 | 0.04 | |
| 22 | 7 | 2.0 | 6.00 | 1.60 | 1.36 | 9.20 | 10.0 | 2.0 | 80 | 0.04 | |
| 30 | 7 | 2.3 | 6.90 | 1.60 | 1.36 | 10.10 | 10.0 | 2.0 | 60 | 0.03 | |
| 38 | 19 | 1.6 | 8.00 | 2.00 | 1.70 | 12.00 | 12.5 | 2.5 | 60 | 0.03 | |
| 50 | 19 | 1.8 | 9.00 | 2.00 | 1.70 | 13.00 | 12.5 | 2.5 | 60 | 0.03 | |
| 60 | 19 | 2 | 10.00 | 2.00 | 1.70 | 14.00 | 12.5 | 2.5 | 60 | 0.03 | |
| 80 | 19 | 2.3 | 11.50 | 2.00 | 1.70 | 15.50 | 12.5 | 2.5 | 60 | 0.03 | |
| 100 | 19 | 2.6 | 13.00 | 2.00 | 1.70 | 17.00 | 12.5 | 2.5 | 60 | 0.03 | |
| 125 | 37 | 2.1 | 14.70 | 2.40 | 2.04 | 19.50 | 15.0 | 3.0 | 50 | 0.02 | |
| 150 | 37 | 2.3 | 16.10 | 2.40 | 2.04 | 20.90 | 15.0 | 3.0 | 50 | 0.02 | |
| 175 | 37 | 2.47 | 17.30 | 2.40 | 2.04 | 22.10 | 15.0 | 3.0 | 50 | 0.02 | |
| 200 | 37 | 2.6 | 18.20 | 2.40 | 2.04 | 23.00 | 15.0 | 3.0 | 50 | 0.02 | |
| 250 | 37 | 2.95 | 20.65 | 2.40 | 2.04 | 25.45 | 15.0 | 3.0 | 50 | 0.02 | |
| 250 | 61 | 2.3 | 20.70 | 25.50 | |||||||
| 300 | 61 | 2.52 | 22.70 | 2.80 | 2.38 | 28.30 | 17.5 | 3.0 | 50 | 0.02 | |
| 325 | 61 | 2.6 | 23.40 | 2.80 | 2.38 | 29.00 | 17.5 | 3.0 | 50 | 0.02 | |
| 375 | 61 | 2.82 | 25.30 | 2.80 | 2.38 | 30.90 | 17.5 | 3.0 | 50 | 0.02 | |
| 400 | 61 | 2.9 | 26.10 | 2.80 | 2.38 | 31.70 | 17.5 | 3.5 | 50 | 0.02 | |
| 500 | 61 | 3.2 | 28.80 | 2.80 | 2.38 | 34.40 | 17.5 | 3.5 | 50 | 0.02 | |
