In the bathroom, further precautions must be taken to realize the electrical system. The presence of water and electric current creates dangers.
You will need to identify safe areas, protected from water and splashes where you can place electrical outlets and piping.
You will never have to place any outlet or outlet boxes near the sinks, baths, and showers. Observe safety distances.
Place the jacks on top of the sketches of water.
These precautions should also be extended to used electric appliances, phon, ventilators, shavers. Remember that being barefoot on a wet floor puts us in a state of danger not to be underestimated.