Decorate your home, the property needs water and electricity, how to draw?

This is painted for you by the decoration company.

If it is not a decoration company, you can print out the drawings and let the hydropower master mark the position of the lamp holder and switch of the socket line with a pencil. Then show it to the property, and change it to a ballpoint pen if there is no problem. If there is any problem, please correct it and send cigarettes.