250 kcmil wire specs

255 A

250 kcmil copper at 75 °C · 215 A at 60 °C · 290 A at 90 °C · aluminum 205 A at 75 °C

Voltage drop of 250 kcmil copper

One-way	10 A	15 A	20 A	30 A	50 A
25 ft	0.03 V	0.04 V	0.05 V	0.08 V	0.13 V
50 ft	0.05 V	0.08 V	0.10 V	0.15 V	0.26 V
100 ft	0.10 V	0.15 V	0.21 V	0.31 V	0.52 V
150 ft	0.15 V	0.23 V	0.31 V	0.46 V	0.77 V
200 ft	0.21 V	0.31 V	0.41 V	0.62 V	1.03 V

Single-phase, DC resistance 0.0515 Ω/1000 ft (Cu) / 0.0847 Ω (Al).

How many amps can 250 kcmil wire carry?

Copper 250 kcmil: 215 A at 60 °C, 255 A at 75 °C, 290 A at 90 °C.

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