5 AWG wire specifications: 4.6213 mm diameter, 16.7732 mm² area. Resistance, weight, and common uses.
| Diameter | 4.6213 mm · 0.181941" · 181.94 mils |
| Cross-sectional area | 16.7732 mm² · 33,102 circular mils |
| Resistance (copper, 20°C) | 1.0278 Ω/km · 0.3133 Ω/1000ft |
| Resistance (aluminum, 20°C) | 1.5799 Ω/km · 0.4816 Ω/1000ft |
| Ampacity — copper 60°C | — A |
| Ampacity — copper 75°C | — A |
| Ampacity — copper 90°C | — A |
| Ampacity — aluminum 75°C | — A |
| Weight (copper) | 150.288 kg/km · 100.989 lbs/1000ft |
| Weight (aluminum) | 45.288 kg/km · 30.432 lbs/1000ft |
| Closest metric size | 16.8 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 |