| Property |
Value |
| Gauge 13 Diameter (in) |
0.072 in |
| Gauge 13 Diameter (mm) |
1.828 mm |
| Gauge 13 Turns of Wire (per inch) |
13.9 turns/in |
| Gauge 13 Turns of Wire (per cm) |
5.47 turns/cm |
| Gauge 13 Cross-Sectional Area (kcmil) |
5.18 kcmil |
| Gauge 13 Cross-Sectional Area (mm²) |
2.62 mm² |
| Copper Resistance (Ω/km or mΩ/m) |
6.571 mΩ/m |
| Copper Resistance (Ω/kft or mΩ/ft) |
2.003 mΩ/ft |
| NEC Copper Wire Ampacity (60°C) |
20 A |
| NEC Copper Wire Ampacity (75°C) |
20 A |
| NEC Copper Wire Ampacity (90°C) |
25 A |
| Fusing Current (10 s) |
198.0 A |
| Fusing Current (1 s) |
798.0 A |
| Fusing Current (32 ms) |
4500.0 A |
Frequently Asked Questions (FAQs) About 13 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 13 AWG compare to 12 AWG?
13 AWG wire is smaller than 12 AWG, with a diameter of 1.828 mm compared to 2.053 mm for 12 AWG. It has a lower ampacity (e.g., 25 A at 90°C vs. 30 A for 12 AWG) and higher resistance.
What applications are suitable for 13 AWG wire?
13 AWG wire is typically used for very low-current applications, such as control circuits, small electronic devices, or automotive wiring, with an ampacity of up to 25 A at 90°C.
What happens if the fusing current is exceeded?
If the fusing current is exceeded (e.g., 198 A for 10 seconds in 13 AWG), the wire will overheat and melt, potentially causing a fire hazard or circuit failure.
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