What are the installation requirements for safety emergency lights and safety exit signs?

1. Safety emergency light and safety exit sign must be equipped with two power sources, namely normal power supply and emergency standby power supply. Emergency standby power supply is generally provided by self-provided power generation and battery, such as the use of battery, its continuous power supply time cannot be less than 200min.
2. The illumination degree of safety emergency lights and safety exit signs shall not be lower than 0.5lx, so as to fully illuminate walkways, stairs and other evacuation routes. Fire control room, fire pump room, self-provided generator room, and the parts that still need to work in case of fire should also ensure the illumination of normal lighting.
3. Safety exit signs should be located at the top of the exit or evacuation corridor and its corner from the ground below 1m on the wall, the distance between the signs on the corridor should not be greater than 20m. Safety emergency lights and safety exit signs should be equipped with glass and other non-combustible materials made of protective cover.
4. Clear signs shall be applied to indicate the location and number of floors of the stairwell for evacuation, so that the personnel in the building can know their own position in time to facilitate safe evacuation.

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