| Property |
Value |
| Gauge 10 Diameter (in) |
0.1019 in |
| Gauge 10 Diameter (mm) |
2.588 mm |
| Gauge 10 Turns of Wire (per inch) |
9.81 turns/in |
| Gauge 10 Turns of Wire (per cm) |
3.86 turns/cm |
| Gauge 10 Cross-Sectional Area (kcmil) |
10.4 kcmil |
| Gauge 10 Cross-Sectional Area (mm²) |
5.26 mm² |
| Copper Resistance (Ω/km or mΩ/m) |
3.277 mΩ/m |
| Copper Resistance (Ω/kft or mΩ/ft) |
0.9989 mΩ/ft |
| NEC Copper Wire Ampacity (60°C) |
30 A |
| NEC Copper Wire Ampacity (75°C) |
35 A |
| NEC Copper Wire Ampacity (90°C) |
40 A |
| Fusing Current (10 s) |
333.0 A |
| Fusing Current (1 s) |
1600.0 A |
| Fusing Current (32 ms) |
8900.0 A |
Frequently Asked Questions (FAQs) About 10 AWG Wire
What does AWG stand for?
AWG stands for American Wire Gauge, a standardized system for measuring wire sizes. The smaller the AWG number, the larger the wire diameter.
How does 10 AWG compare to 9 AWG?
10 AWG wire is smaller than 9 AWG, with a diameter of 2.588 mm compared to 2.906 mm for 9 AWG. It has the same ampacity (40 A at 90°C) but a smaller cross-sectional area and higher resistance.
What applications are suitable for 10 AWG wire?
10 AWG wire is commonly used for low-current applications, such as household wiring for outlets, lighting circuits, or small appliances, with an ampacity of up to 40 A at 90°C.
What happens if the fusing current is exceeded?
If the fusing current is exceeded (e.g., 333 A for 10 seconds in 10 AWG), the wire will overheat and melt, potentially causing a fire hazard or circuit failure.
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