Standard for Installation of Fire Safety Devices based on Use and Occupancy Article 23

Indicating equipment shall be installed in all occupancy as follows:1. Exit indicating lamps shall be equipped in occupancy as specified in Article 12.1, 12.2(12), 12.5(1) and (3), or underground floors, no-opening floors, 11th floor(inclusive) or above, used as specified in other subparagraphs and items of Article 12.2. Direction indicating lamps shall be equipped in occupancy as specified in Article 12.1, 12.2 (12), 12.5(1) and (3), or underground floors, no-opening floors, 11th floor(inclusive) or above, used as specified in other subparagraphs and items of Article 12.3. Audience indicating lamps shall be equipped in occupancy such as theaters, movie cinemas, concert halls, convention centers, etc.4. All kinds of occupancy shall be equipped with indicating signs. However, in occupancy where direction indicating lamps or exit indicating lamps are equipped, installation of indicating signs shall be exempted in effective range of the lamps.