Fire escape signs must have a light or lights shining clearly visible at all times. All this. Do not use colors or shapes that blend in with the décor or other labels that stick it close, or any that do not clearly visible signage.
Fire exit signs must be lit on its own or use light to see clearly all the time, but not the color or shape that blends with the decor or other signs placed nearby. Or in any manner that the sign is not clear.
Fire signs must have light in yourself or use light to see clearly all the time, however, must not use the color or shape in harmony with the decoration or signs. . on nearby.