If you don't know that then you shouldn't be messing around with electricity. It's dangerous.
Disregard the neutral
No.
Yes.
Yes, it can be and there is no problem at all Because most of the electrical appliances are made to work on 220v - 240v so it can also be plugged into a 240v outlet.
You will burn up your appliance!!!!!
What is your question? A standard outlet is 110V. A 220 outlet is shaped different so that you know it is 220. You would never run 220 through a 110 outlet.
Absoluteyl not.
You can, but be advised that whatever you plug into the new outlet should not exceed 5000W capacity (20A x 250V = 5000W)or you could risk overheating the new outlet with serious results. To prevent this, you should make sure the circuit breaker is a 20A also.
Yes, just make sure it is a 220 volt switch.
Don't!
Off hand no but your explanations are not clear as to who is doing what to whom,,
You might be able to plug in a 240V American oven range into a European outlet depending on the type of plug. SomeÊAmerican high-powered appliancesÊhave 3 or 4 pins, which may require adapters to plug into European outlets.