2 AWG wire specifications: 6.5437 mm diameter, 33.6308 mm² area, 95A ampacity (copper, 75°C). Resistance, weight, and common uses.
| Diameter | 6.5437 mm · 0.257626" · 257.63 mils |
| Cross-sectional area | 33.6308 mm² · 66,371 circular mils |
| Resistance (copper, 20°C) | 0.5126 Ω/km · 0.1562 Ω/1000ft |
| Resistance (aluminum, 20°C) | 0.788 Ω/km · 0.2402 Ω/1000ft |
| Ampacity — copper 60°C | 95 A |
| Ampacity — copper 75°C | 95 A |
| Ampacity — copper 90°C | 130 A |
| Ampacity — aluminum 75°C | 75 A |
| Weight (copper) | 301.332 kg/km · 202.486 lbs/1000ft |
| Weight (aluminum) | 90.803 kg/km · 61.017 lbs/1000ft |
| Closest metric size | 33.6 mm² |
| Skin depth at 60 Hz | 8.531 mm |
| Type | Temperature | Description |
|---|---|---|
| THHN/THWN-2 | 90°C dry / 75°C wet | Most common for building wire |
| XHHW-2 | 90°C dry and wet | Cross-linked polyethylene, moisture resistant |
| USE-2 | 90°C | Underground service entrance |
| NM-B (Romex) | 90°C | Non-metallic sheathed cable for residential |
| UF-B | 60°C | Underground feeder, direct burial |