14 AWG wire specifications: 1.6277 mm diameter, 2.0809 mm² area, 15A ampacity (copper, 75°C). Resistance, weight, and common uses.
| Diameter | 1.6277 mm · 0.064084" · 64.08 mils |
| Cross-sectional area | 2.0809 mm² · 4,107 circular mils |
| Resistance (copper, 20°C) | 8.2848 Ω/km · 2.5252 Ω/1000ft |
| Resistance (aluminum, 20°C) | 12.7348 Ω/km · 3.8816 Ω/1000ft |
| Ampacity — copper 60°C | 15 A |
| Ampacity — copper 75°C | 15 A |
| Ampacity — copper 90°C | 25 A |
| Ampacity — aluminum 75°C | — A |
| Weight (copper) | 18.645 kg/km · 12.529 lbs/1000ft |
| Weight (aluminum) | 5.618 kg/km · 3.775 lbs/1000ft |
| Closest metric size | 2.1 mm² |
| Skin depth at 60 Hz | 8.531 mm |
| Type | Temperature | Description |
|---|---|---|
| THHN/THWN-2 | 90°C dry / 75°C wet | Building wire |
| NM-B (Romex) | 90°C | Residential cable |
| MTW | 60/90°C | Machine tool wire |
| TFFN | 90°C | Fixture wire |