Relay Wire Sizes

USE THESE VALUES ONLY AS A GUIDE
Metric
Size mm2
SAE Wire
Size Gauge
Permissible Continuous Current (apprx. values)
Amps at 25 degrees C Amps at 50 degrees C
0.5 20 12 8.0
0.8 18 16 10.6
1.0 16 20 13.3
2.0 14 30 19.6
3.0 12 34 22.6
5.0 10 51 34.0
8.0 8 68 45.0
13.0 6 91 60.5
19.0 4 121 80.0