Texas Health and Safety Code - HEALTH & SAFETY § 791.015. Exit Lights; Guide Signs

(a) At least one red light must be installed and maintained in good condition at each exit to a fire escape in a building subject to Section 791.002. An exit light must be painted with the words “fire escape exit.”

(b) One guide sign must be installed and maintained in good condition at each hallway intersection. An additional guide sign must be provided for every 25 lineal feet of hallway leading to a fire escape. A guide sign must be painted with the words “fire escape” and with an arrow or hand pointing to the nearest fire escape exit.