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The size of the wire is set by the maximum current it has to carry. The voltage sets the size of the insulation.

In the UK a 230 v (nominal) ring-circuit supplying a set of power sockets is rated at 30 amps and uses a ring of 2.5 sq-mm cable.

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Q: What size wire for a 230 volt circuit?
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To wire a 230 volt contactor with a 110 volt coil, you need to connect the 110 volt power supply to one terminal of the coil and the neutral wire to the other terminal of the coil. Ensure that the contactor is rated for use with a 110 volt control circuit. Additionally, verify the wiring diagram provided with the contactor for proper connection details.


How can I get 230 volt single pole wire from my house panel?

In North America you can not obtain 230 volts from just one single pole breaker. The distribution is like this, from a one pole breaker to neutral is 120 volts. From an adjacent breaker to neutral is 120 volts. From the adjacent breaker to adjacent breaker (breakers situated beside each other) the voltage will be 230 volts.If you want to incorporate a 120 to 230 volt transformer into the circuit you can obtain 230 volts. The primary side of the transformer will be connected to the 120 volt circuit and the secondary side of the transformer will output 230 volts. The transformer must be sized to the load amperage or the load wattage of the connected 230 volt load.


Is 220 amp connected for 230 volt?

Yes, a 220 amp circuit is suitable for use with a 230-volt power source. The slight difference in voltage should not significantly impact the performance of the circuit.


How to wire a 230 volt outlet?

To wire a 230 volt outlet, first turn off power to the circuit. Connect the red and black wires to the brass screws on the outlet, the white wire to the silver screw, and the green or bare wire to the green screw. Make sure to follow all local electrical codes and consult a licensed electrician if needed.


Do you need to change your circuit breaker if you plug in a 230 volt window ac?

Yes, you may need to change your circuit breaker to one that can handle the higher voltage required for a 230 volt window AC unit. It's important to have a circuit breaker that is compatible with the voltage and amperage requirements of the appliance to ensure proper function and safety.