What are Wall Lights? Wall lights are great for adding extra lighting, creating an ambient vibe in a space, or serving as a decorative component. People often use wall lights in bedrooms, kitchens, and corridors. However, the long, gloomy corridor might rapidly resemble a runway if you put on too many lights. A more natural layout is to stagger the lights so that they do not line up across the corridor. Then, of course, you can use fewer or more fixtures to make a statement.