8 AWG wire specs

50 A

8 AWG copper at 75 °C · 40 A at 60 °C · 55 A at 90 °C · aluminum 40 A at 75 °C

Voltage drop of 8 AWG copper

One-way	10 A	15 A	20 A	30 A	50 A
25 ft	0.38 V	0.57 V	0.76 V	1.15 V	1.91 V
50 ft	0.76 V	1.15 V	1.53 V	2.29 V	3.82 V
100 ft	1.53 V	2.29 V	3.06 V	4.58 V	7.64 V
150 ft	2.29 V	3.44 V	4.58 V	6.88 V	11.46 V
200 ft	3.06 V	4.58 V	6.11 V	9.17 V	15.28 V

Single-phase, DC resistance 0.764 Ω/1000 ft (Cu) / 1.26 Ω (Al).

How many amps can 8 AWG wire carry?

Copper 8 AWG: 40 A at 60 °C, 50 A at 75 °C, 55 A at 90 °C.

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