Vapor Tight light fixtures are important for providing safe illumination in damp and wet spaces. The vapor sealing prevents electrical shock and protects anyone operating the system.
Vapor tight lights are also important because of their durability. Since they are sealed against the elements, they do not require a lot of maintenance which means less money spent on replacing them. They are also important because they are simple to clean. Another reason they are important is that they use LEDs which are more energy efficient than fluorescent or incandescent bulbs.
You should use vapor tight lighting in areas where excessive moisture and other harsh conditions are common. Some of these places include: