3 AWG wire specs

100 A

3 AWG copper at 75 °C · 85 A at 60 °C · 115 A at 90 °C · aluminum 75 A at 75 °C

Voltage drop of 3 AWG copper

One-way	10 A	15 A	20 A	30 A	50 A
25 ft	0.12 V	0.18 V	0.24 V	0.37 V	0.61 V
50 ft	0.24 V	0.37 V	0.49 V	0.73 V	1.23 V
100 ft	0.49 V	0.73 V	0.98 V	1.47 V	2.45 V
150 ft	0.73 V	1.10 V	1.47 V	2.21 V	3.67 V
200 ft	0.98 V	1.47 V	1.96 V	2.94 V	4.90 V

Single-phase, DC resistance 0.245 Ω/1000 ft (Cu) / 0.403 Ω (Al).

How many amps can 3 AWG wire carry?

Copper 3 AWG: 85 A at 60 °C, 100 A at 75 °C, 115 A at 90 °C.

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