WAC 296-800-31050. Mark exits adequately

(1) You must mark each exit with a clearly visible, distinctive sign reading "exit." (2) You must make sure the letters in the word " exit " are at least six inches high and 3/4 inch wide. (3) You must mark any doorway or passage that might be mistaken for an exit with "not an exit" or with an indication of its actual use. (4) You must make sure exit signs are a distinctive color. (5) You must make sure signs are posted and arranged along exit routes to adequately show how to get to the nearest exit and clearly indicate the direction of travel. (6) You must not obstruct or conceal exit signs in any way. (7) You must keep exit doors free of signs or decorations that obscure their visibility.