THHN Cables
For industrial sourcing
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Production timing, packing, and shipping terms are confirmed for each project after specifications and trade terms are agreed.
Product description
THHN/THWN Wire Specifications
1. Description
- THHN: Thermoplastic High Heat-resistant Nylon-coated.
- THWN: Thermoplastic Heat and Water-resistant Nylon-coated.
2. Conductor Material
- Copperor Aluminum (bare or coated).
3. Insulation
- THHN: Flame-retardant thermoplastic (PVC).
- THWN: Water-resistant thermoplastic (PVC).
4. Jacket
- Nylonjacket for both THHN and THWN for additional protection.
5. Voltage Rating
- 600 Volts.
6. Temperature Rating
- THHN:
- 90°C (194°F)dry locations.
- THWN:
- 75°C (167°F)wet locations.
- 90°C (194°F)dry locations.
7. Standard Compliance
- UL 83, UL 1063.
- ASTM B3, ASTM B8.
8. Applications
- Conduits, ducts, and open air wiring for commercial, industrial, and residential buildings.
- Approved for use in both wetand dry
9. Available Sizes (AWG)
- Copper: 14 AWG to 1000 kcmil.
- Aluminum: 12 AWG to 1000 kcmil.
10. Ampacity (based on NFPA 70, NEC Table 310.16)
- 14 AWG: 15 amps.
- 12 AWG: 20 amps.
- 10 AWG: 30 amps.
- 8 AWG: 55 amps.
- 6 AWG: 65 amps.
- 4 AWG: 85 amps.
- 2 AWG: 115 amps.
- 1/0 AWG: 150 amps.
- 2/0 AWG: 175 amps.
11. Color Coding (for standard conductors)
- Black, Red, White, Blue, Green, etc. (Color varies by use and regulation).
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