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ASTM UL Thermoplastic High Heat Resistant Nylon Coated THHN THWN THWN-2 Wire
ASTM UL Thermoplastic High Heat Resistant Nylon Coated THHN THWN THWN-2 Wire Featured Image
  • ASTM UL Thermoplastic High Heat Resistant Nylon Coated THHN THWN THWN-2 Wire

ASTM UL Thermoplastic High Heat Resistant Nylon Coated THHN THWN THWN-2 Wire

Specifications:

    THHN THWN THWN-2 Wire are suitable for use as machine tool, control circuit, or appliance wiring. Both THNN and THWN have PVC insulation with nylon jackets. The thermoplastic PVC insulation makes THHN and THWN wire have flame-retardant properties, while the nylon jacketing also adds resistance to chemicals such as gasoline and oil.

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Parameter Table

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Quick Details:

THHN Thermoplastic High Heat-resistant Nylon-coated wire is a single conductor wire with PVC insulation and a nylon jacket. THWN thermoplastic heat- and water-resistant wire is essentially the same as THHN and the two are often used interchangeably. THWN is also a single conductor wire with PVC insulation and a nylon jacket. THWN-2 wire is basically a THWN wire with extra heat protection and it can be used in very high heat situations (up to 90°C or 194°F).

Applications:

THHN THWN THWN-2 Wire are suitable for use as machine tool, control circuit, or appliance wiring. Both THNN and THWN have PVC insulation with nylon jackets. The thermoplastic PVC insulation makes THHN and THWN wire have flame-retardant properties, while the nylon jacketing also adds resistance to chemicals such as gasoline and oil.

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Technical Performance:

Rated Voltage (Uo/U):600V
Conductor temperature:Maximum conductor temperature in normal use: 250ºC
Installation temperature:Ambient temperature under installation shall not be below -40ºC
Minimum bending radius:
The bending radius of cable: 4 x cable diameter

Construction :

Conductor: multi-strand soft annealed copper, ASTM B8 Class B
Insulation:heat resistant, moisture-proof polyvinyl chloride (PVC) + Nylon coating insulation
Color: Black, gray, other colors

Specifications:

UL 83 - Thermoplastic material insulated cable
CSA C22.2 No. 75-03
UL 1063 (MTW) - Machine Tool Wire and Cable (Multi-strand)
UL 758 (AWM)
ICEA S-95-658/NEMA WC 70

Thermoplastic High Heat Resistant Nylon Coated THHN THWN THWN-2 Wire Specifications

Size AWG No.of Wires Insulation Thickness Sheath Thickness Nominal Diameter Nominal Weight
INCH/MM INCH/MM INCH/MM  LBS/KFT KG/KM
14 1 0.015 0.38 0.004 0.1 0.11 2.79 15 22
12 1 0.015 0.38 0.004 0.1 0.12 3.05 23 34
10 1 0.02 0.51 0.004 0.1 0.15 3.81 37 54
14 19 0.015 0.38 0.004 0.1 0.11 2.79 16 24
12 19 0.015 0.38 0.004 0.1 0.13 3.3 24 36
10 19 0.02 0.51 0.004 0.1 0.17 4.32 39 58
8 19 0.03 0.76 0.005 0.13 0.22 5.59 63 94
6 19 0.03 0.76 0.005 0.13 0.26 6.6 98 145
4 19 0.04 1.01 0.006 0.15 0.33 8.38 157 234
3 19 0.04 1.01 0.006 0.15 0.36 9.14 193 287
2 19 0.04 1.01 0.006 0.15 0.39 9.91 240 357
1 19 0.05 1.27 0.007 0.18 0.43 10.92 300 446
1/0 19 0.05 1.27 0.007 0.18 0.47 11.94 376 560
2/0 19 0.05 1.27 0.007 0.18 0.52 13.21 467 695
3/0 19 0.05 1.27 0.007 0.18 0.57 14.48 581 864
4/0 19 0.05 1.27 0.007 0.18 0.64 16.26 724 1077
250 37 0.06 1.52 0.008 0.2 0.69 17.53 855 1272
300 37 0.06 1.52 0.008 0.2 0.76 19.3 1022 1521
350 37 0.06 1.52 0.008 0.2 0.79 20.07 1191 1772
400 37 0.06 1.52 0.008 0.2 0.85 21.59 1345 2001
500 37 0.06 1.52 0.008 0.2 0.94 23.88 1668 2482
600 61 0.07 1.78 0.009 0.23 1.1 27.94 1994 2967
750 61 0.07 1.78 0.009 0.23 1.16 29.46 2465 3668

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