Question

ask an electrician to explain to you the electrical wiring in you house and other related important point take care to understand them well and explain them to other also

Answer 1

The current form coming to your house is alternate current.
You can understand about whole wiring system of the house  .
Try to understand the function of electricity breakers and fuse and find out how it is helpful in breaking of circuits while overflow of electricity.
also identify your wiring of to the lights connected with the button.
Also there will  be voltage availability to every house find out if it is of 220 or 240 volts etc. As most electrical appliances work on this volts.