Bathroom Sconces Light Fixtures- Dry Area Vs Damp Approved?

Light fixtures- dry area vs damp approved? - bathroom sconces

I am rebuilding my bathroom and I noticed that some meetings are approved for wetlands, while others are allowed to dry areas only. It is the only difference between these games, you can use a grounding cable, while the other does not? If I can learn to identify them, it will be easier for me to buy the right, without opening the boxes in stores and digging through it trying to read the label on the back of the camera, and then try to fit everything in the image forming again.