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Description
This specification describes single conductor THWN or THHN, a general purpose building wire insulated with polyvinyl chloride (PVC) and covered with a tough protective sheath of nylon intended for lighting and power circuits at 600 Volts or less, in residential, commercial and industrial buildings. The wire may be operated at 90°C maximum continuous temperature in dry locations and 75°C in wet locations .
Model Number: THHN / THWN
Application: connecting, building wire for placing into trucking and conduit
Conductor Material: copper/al/cca/ccs/ccc
Conductor Type: solid/strand/flexible
Insulation Material: pvc pe rubber
size: 4/0AWG—20AWG
certificate: CE ISO RoHS CCC TUV UL
color: red black yellow green brown blue .
THHN/THWN Wire Application
THHN wires are a widely used electrical wire type used in industrial, commercial and residential constructions and applications. Thes wires offer a host of benefits in comparison to other wire types. THHN building wire may also be used for wiring of machine tools, control circuits or on certain appliances.
THHN/THWN Wire Application Standard
International: IEC 60502, IEC 60228
China: GB/T 12706
Other standards: such as BS, DIN and ICEA, design & manufacture special power cable according to customer’s special request.
Specifications
| Size | Conductor | Insulation | Nylon Jacket | Approx. Weight | |||||
| No. of Wires | Dia. of Wires | Conductor Dia. | Nominal Thickness | Insulation Dia. | Nominal Thickness | Overall Dia. | |||
| AWG/Kcmil | No. | mm | mm | mm | mm | mm | mm | kg/km | |
| 14 | 1 | 1.63 | 1.63 | 0.39 | 2.41 | 0.11 | 2.63 | 23.4 | |
| 12 | 1 | 2.06 | 2.06 | 0.39 | 2.84 | 0.11 | 3.06 | 35.5 | |
| 10 | 1 | 2.59 | 2.59 | 0.51 | 3.61 | 0.11 | 3.83 | 56.0 | |
| 14 | 7 | 0.62 | 1.86 | 0.39 | 2.64 | 0.11 | 2.86 | 24.5 | |
| 12 | 7 | 0.78 | 2.34 | 0.39 | 3.12 | 0.11 | 3.34 | 36.7 | |
| 10 | 7 | 0.98 | 2.94 | 0.51 | 3.96 | 0.11 | 4.18 | 57.8 | |
| 8 | 7 | 1.24 | 3.72 | 0.77 | 5.26 | 0.13 | 5.52 | 95.5 | |
| 6 | 7 | 1.56 | 4.68 | 0.77 | 6.22 | 0.13 | 6.48 | 144.0 | |
| 4 | 7 | 1.96 | 5.88 | 1.02 | 7.92 | 0.16 | 8.24 | 229.2 | |
| 3 | 7 | 2.20 | 6.60 | 1.02 | 8.64 | 0.16 | 8.96 | 282.7 | |
| 2 | 7 | 2.48 | 7.44 | 1.02 | 9.48 | 0.16 | 9.80 | 352.3 | |
| 1 | 19 | 1.69 | 8.20 | 1.27 | 10.74 | 0.18 | 11.10 | 450.7 | |
| 1/0 | 19 | 1.89 | 9.20 | 1.27 | 11.74 | 0.18 | 12.10 | 554.2 | |
| 2/0 | 19 | 2.13 | 10.34 | 1.27 | 12.88 | 0.18 | 13.24 | 692.2 | |
| 3/0 | 19 | 2.39 | 11.61 | 1.27 | 14.15 | 0.18 | 14.51 | 859.5 | |
| 4/0 | 19 | 2.68 | 13.01 | 1.27 | 15.55 | 0.18 | 15.91 | 1067.5 | |
| 250 | 37 | 2.09 | 14.20 | 1.53 | 17.26 | 0.21 | 17.68 | 1280.1 | |
| 300 | 37 | 2.29 | 15.55 | 1.53 | 18.61 | 0.21 | 19.03 | 1521.9 | |
| 350 | 37 | 2.47 | 16.79 | 1.53 | 19.85 | 0.21 | 20.27 | 1757.7 | |
| 400 | 37 | 2.64 | 17.96 | 1.53 | 21.02 | 0.21 | 21.44 | 1996.1 | |
| 500 | 37 | 2.95 | 20.05 | 1.53 | 23.11 | 0.21 | 23.53 | 2469.7 | |
| 600 | 61 | 2.52 | 22.00 | 1.78 | 25.56 | 0.23 | 26.02 | 2994.7 | |
| 750 | 61 | 2.82 | 24.64 | 1.78 | 28.20 | 0.23 | 28.66 | 3718.1 | |
| 1000 | 61 | 3.25 | 28.40 | 1.78 | 31.96 | 0.23 | 32.42 | 4891.8 | |
