
8 AWG THHN/THWN/THWN-2 wire is capable of handling up to 40 amps, depending on the installation conditions and ambient temperature.THHN (Thermoplastic High Heat-resistant Nylon-coated) is designed for use in dry locations and has a maximum operating temperature of 75°C (167°F).THWN (Thermoplastic Heat and Water-resistant Nylon-coated) can handle wet conditions with a temperature rating of up to 75°C (167°F) in wet locations and 90°C (194°F) in dry locations. THWN-2 is an enhanced version of THWN, this wire can be used in both wet and dry locations with a maximum temperature rating of 90°C (194°F). It provides additional protection against heat, moisture, and chemicals.
Application
8 AWG THHN/THWN/THWN-2 building wire is commonly used in branch circuits to deliver power from electrical panels to various appliances and equipment. It is suitable for residential applications such as powering large appliances (e.g., electric ovens, water heaters) and for commercial and industrial settings where reliable power distribution is crucial.

Feature

•UL 83
•Solid or stranded soft drawn copper conductor
•Heat and moisture resistant colored polyvinyl chloride (PVC) insulation
•With a clear nylon (polyamide) jacket
• UL & BPS certification
Certification
THHN/THWN/THWN-2 wire certificated UL. The UL mark indicates that our products have undergone rigorous testing and evaluation to meet strict safety standards.

Package

Production Line

Our products, certified by UL, CE, CB, SAA, and TUV, demonstrate Greater Wire & Cable's unwavering dedication to quality and reliability. These certifications are recognized worldwide, ensuring that our cables meet the stringent safety and performance standards required in different markets. As a result, our products are trusted by customers in more than 90 countries across the globe. Our global reach is a reflection of our commitment to serving diverse markets with the same level of quality and excellence, reinforcing our reputation as a dependable partner in the wire and cable industry. Whether it's for residential, commercial, or industrial applications, Greater Wire & Cable continues to deliver products that customers can rely on, no matter where they are in the world.
Case

Partner

FAQ
Q:Is number 8 thhn good for 60 amps?
Q:Can thhn thwn 2 conductors be installed directly buried in the ground?
Q: What wire is suitable for wet locations?
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| Conductor | Insulation Thickness (mils) | Jacket Thickness (mils) | Nominal 0.D.(mils) | Approx.Net Wt.Per 1000'(lbs.) | Allowable Ampacities+ | |||
| Size (AWG or kcmil) | No.of strands | 60℃ | 75℃ | 90℃ | ||||
| 14* | 1 | 15 | 4 | 102 | 15 | 15 | 15 | 15 |
| 12* | 1 | 15 | 4 | 119 | 23 | 20 | 20 | 20 |
| 10* | 1 | 20 | 4 | 150 | 36 | 30 | 30 | 30 |
| 14* | 19 | 15 | 4 | 109 | 16 | 15 | 15 | 15 |
| 12* | 19 | 15 | 4 | 128 | 24 | 20 | 20 | 20 |
| 10* | 19 | 20 | 4 | 161 | 38 | 30 | 30 | 30 |
| 8 | 19 | 30 | 5 | 213 | 63 | 40 | 50 | 55 |
| 6 | 19 | 30 | 5 | 249 | 95 | 55 | 65 | 75 |
| 4 | 19 | 40 | 6 | 318 | 152 | 70 | 85 | 100 |
| 3 | 19 | 40 | 6 | 346 | 189 | 85 | 100 | 115 |
| 2 | 19 | 40 | 6 | 378 | 234 | 95 | 115 | 130 |
| 1 | 19 | 50 | 7 | 435 | 299 | 110 | 130 | 145 |
| 1/0 | 19 | 50 | 7 | 474 | 372 | 125 | 150 | 170 |
| 2/0 | 19 | 50 | 7 | 518 | 462 | 145 | 175 | 195 |
| 3/0 | 19 | 50 | 7 | 568 | 575 | 165 | 200 | 225 |
| 4/0 | 19 | 50 | 7 | 624 | 718 | 195 | 230 | 260 |
| 250 | 37 | 60 | 8 | 694 | 851 | 215 | 255 | 290 |
| 300 | 37 | 60 | 8 | 747 | 1012 | 240 | 285 | 320 |
| 350 | 37 | 60 | 8 | 797 | 1174 | 260 | 310 | 350 |
| 400 | 37 | 60 | 8 | 842 | 1334 | 280 | 335 | 380 |
| 500 | 37 | 60 | 8 | 926 | 1655 | 320 | 380 | 430 |
| 600 | 61 | 70 | 9 | 1024 | 1987 | 350 | 420 | 475 |
| 750 | 61 | 70 | 9 | 1126 | 2464 | 400 | 475 | 535 |
| 1000 | 61 | 70 | 9 | 1275 | 3257 | 455 | 545 | 615 |






























