Published at Friday, September 14th 2018, 10:01:12 AM by Sylvia Horton. Bathroom Light. Bathroom lighting can be added to the wall or ceiling, however, wherever the lighting comes from, it must be watertight so the steam from the bathroom would not affect it. If you want to bring a note of originality to your bathroom and to win some space, you can opt for ceilings with incorporated lights, like spotlights. Before thinking about the appearance and aesthetics of the lighting in your bathroom, you must first take into account how to protect users against electric shocks.