| Property |
Value |
| Gauge 27 Diameter (in) |
0.0142 in |
| Gauge 27 Diameter (mm) |
0.361 mm |
| Gauge 27 Turns of Wire (per inch) |
70.4 turns/in |
| Gauge 27 Turns of Wire (per cm) |
27.7 turns/cm |
| Gauge 27 Cross-Sectional Area (kcmil) |
0.202 kcmil |
| Gauge 27 Cross-Sectional Area (mm²) |
0.102 mm² |
| Copper Resistance (Ω/km or mΩ/m) |
168.9 mΩ/m |
| Copper Resistance (Ω/kft or mΩ/ft) |
51.47 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) |
17.0 A |
| Fusing Current (1 s) |
31.0 A |
| Fusing Current (32 ms) |
174.0 A |
Frequently Asked Questions (FAQs) About 27 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 27 AWG compare to 26 AWG?
27 AWG wire is smaller than 26 AWG, with a diameter of 0.361 mm compared to 0.405 mm for 26 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 27 AWG wire?
27 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., 17 A for 10 seconds in 27 AWG), the wire will overheat and melt, potentially causing a fire hazard or circuit failure.
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