what size wire for 250 amps
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What size wire for 250 amp power line?
This table says you need AWG 0000 to support 250 A if it is a bundled power line and AWG 00 if the wires are short and far apart (chassis wiring). It already does not look like just a wire, and you may easier find it where plain copper is for sale.
How many AWG wires do I need for 250 amps?
If you’re planning on operating something which requires 250 A continuously, you could run two 4 AWG wires to share the current. However, notice that your inverter probably does not have massive lugs to handle 0000 (quad-aught) or thicker gauge wire. In fact, it probably uses 0 (aught) gauge, if it’s similar to this Energizer EN3000 inverter.
How many amps can a 1/0 wire handle?
At 75C, it has a rated ampacity of 150 amps; essentially, the 1/0 W wire is a 150 amp wire size. At 60C, it can handle up to 125 amps, and it can handle up to 170 amps at higher temperatures (90C).
What is Maximum amps for chassis wiring?
The Maximum Amps for Chassis Wiring is also a conservative rating, but is meant for wiring in air, and not in a bundle. (Emphasis mine.)