Taiwan Provincial Standard of the People's Republic of China
Latest
CNS 9648-1987
Scope
This standard applies to factories, mines, hospitals, schools, assembly halls, department stores, theaters, train stations, airports, parking lots, hotels, other business sites and railway vehicles, ships, mainly used at night or in dark places to prevent accidents Safety sign lights (hereinafter referred to as sign lights) are used for the purpose of preventing and harming industry. In principle, sign lights should be used directly as C when lights are turned off during the day or in bright places.