You need to look at the regulations that apply in your country. If in doubt, use a neutral wire of the same size as the live wire or wires.
AWG # 3/0 copper.
You will need AWG #3 if it is a short run.
Depends on the size of the circuit which you did not list.
A 12 gauge wire can support a load of approximately 2200 watts.
You need to look at the regulations that apply in your country. If in doubt, use a neutral wire of the same size as the live wire or wires.
AWG # 3/0 copper.
Yes, in a residential 200 amp panel, the neutral wire is typically the same size as the hot wires. This is to ensure that the neutral wire can safely carry the same current as the hot wires and maintain proper balance in the electrical system. Always consult the National Electrical Code or a qualified electrician for specific requirements.
You will need to use #8 wire.
8 AWG is typical.
2AWG.
Look to see if the 30 amp panel is fed with a two wire or a three wire. If it is a two wire then you are out of luck. If the panel is fed with a three wire then the panel should have the neutral terminated in the panel. It is this neutral that you need for 120 volt connections. You didn't state how many panel slots there are in the panel. If you are able install a 15 amp breaker into the panel and connect the wires going to the load. The black wire will go to the breaker and the white wire will go to the neutral bar in the panel.
2 or 4
You will need AWG #3 if it is a short run.
For a 240V 30A circuit, you would typically use a 10-gauge wire for the neutral conductor. It's important to follow the National Electrical Code (NEC) and any local regulations when determining the appropriate wire size for your specific installation to ensure safety and compliance.
No !
AWG 2/0 copper wire.