I haven't a clue as to what the wire color codes for house wiring are in any other countries. Consult your local electrician for information.
Electricity is pretty magic stuff.
You can't see it, you can certainly feel it, it can do a world of good for you and it can kill you. You may have heard the old adage that it isn't the voltage that kills you - it's the current. That is true. If that path happens to be across your heart, you will probably die. So here is some information that will help you understand the fundamentals of electricity so that you can fix an electrical circuit or appliance without tempting the grim reaper.