How do you convert a 220 outlet to 110?
Keeping this in consideration, how do you convert 110v to 220v?
A voltage transformer is used to convert the electrical output of a power source to match the voltage of your device, that is, to convert 110 volt to 220/240 Volt OR convert 220/240 V to 110/120 Volt. A Step Up transformer is needed when you want to use a 220 volt foreign appliance in USA with 110v.
Keeping this in consideration, what happens if I plug 220v to 110v?
If you plug a 220V device into 110V outlet, it will normally last a little longer before it dies. But: An AC mechanical drive may fail to start, or it may take up more current than it is designed for, and eventually burn out. The insulation is usually not a problem unless there is a major flaw in the design.
It is possible to use a 220v machine on a 110v line, however; all you need is a voltage converter. 220v and 110v systems are compatible, they just need a voltage converter.