410.4 (A) Wet and Damp Locations. Luminaires (fixtures) installed in wet or damp locations shall be installed so that water cannot enter or accumulate in wiring compartments, lampholders, or other electrical parts. All luminaires (fixtures) installed in wet locations shall be marked, ?Suitable for Wet Locations.? All luminaires (fixtures) installed in damp locations shall be marked, ?Suitable for Wet Locations? or ?Suitable for Damp Locations.?