| Property |
Value |
| Gauge 25 Diameter (in) |
0.0179 in |
| Gauge 25 Diameter (mm) |
0.455 mm |
| Gauge 25 Turns of Wire (per inch) |
55.9 turns/in |
| Gauge 25 Turns of Wire (per cm) |
22.0 turns/cm |
| Gauge 25 Cross-Sectional Area (kcmil) |
0.32 kcmil |
| Gauge 25 Cross-Sectional Area (mm²) |
0.162 mm² |
| Copper Resistance (Ω/km or mΩ/m) |
106.2 mΩ/m |
| Copper Resistance (Ω/kft or mΩ/ft) |
32.37 mΩ/ft |
| NEC Copper Wire Ampacity (60°C) |
0 A |
| NEC Copper Wire Ampacity (75°C) |
0 A |
| NEC Copper Wire Ampacity (90°C) |
0 A |
| Fusing Current (10 s) |
24.0 A |
| Fusing Current (1 s) |
49.0 A |
| Fusing Current (32 ms) |
276.0 A |
Frequently Asked Questions (FAQs) About 25 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 25 AWG compare to 24 AWG?
25 AWG wire is smaller than 24 AWG, with a diameter of 0.455 mm compared to 0.511 mm for 24 AWG. It has the same ampacity (0 A at 90°C) but a smaller cross-sectional area and higher resistance.
What applications are suitable for 25 AWG wire?
25 AWG wire is typically used for extremely low-current applications, such as fine electronics, hobby projects, or small signal wiring, due to its limited ampacity.
What happens if the fusing current is exceeded?
If the fusing current is exceeded (e.g., 24 A for 10 seconds in 25 AWG), the wire will overheat and melt, potentially causing a fire hazard or circuit failure.
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