What gauge wire do I need for 220 volts?
Likewise, people ask, what size wire do I need for 240 volts?
Use 12-gauge wire for a 20-amp circuit, 10-gauge for 30 amps, 8-gauge for 40 amps, and 6-gauge for 50 amps.
Beside above, what size breaker do I need for a 220? If you have 2 220 outlets and each one is 20 amps. You'll need to use #8 wire for the whole circuit including a 40 amp breaker.
Beside above, what size wire do I need for a 30 amp 220v circuit?
Any circuit fused for 30 amps must use a minimum of 10 ga copper or 8 ga alu. Longer runs may require an upgrade of wire size. In your case, use at least 10 copper for your welder regardless how far it is from the breaker panel.
How many amps do you need for 220 volts?
Usually, the small outlets can handle 7 Amps. So, for a 220V conventional outlet, the most power that should be connected to it is 1540 Watts! Is you need more Watts of power for something like tumble Dryer with heater element, you need a large power outlet that can handle 10 or 20 Amps (2200 W to 4400W).