Standard regulations for the setting of exit signs

1. Exit sign lights should be set above the entrance to the front room of open stairwells, closed stairwells, smoke-proof stairwells, and smoke-proof stairwells;
2. When the underground or semi-underground building (room) shares the stairwell with the above-ground building, it should be set above the evacuation door leading to the ground floor by the underground or semi-underground stairs;
3. The exit sign light should be set above the exit of the outdoor evacuation stairs;
4. The exit sign light should be set above the evacuation door that leads directly to the outside;
5. When an enlarged closed stairwell or smoke-proof stairwell is used on the first floor, it should be set above the evacuation door leading to the stairwell;

6. The exit sign light should be set above the exit of the roof, platform, overpass, and corridor that leads directly to the pedestrian;
7. When the underground or semi-underground building (room) is evacuated with a vertical ladder leading directly to the outside, it should be set above the opening of the vertical ladder;
8. In the fire compartment that needs to borrow the adjacent fire compartment for evacuation, it should be set above the Class A fire door leading to the borrowed fire compartment;
9. Exit signs should be set above the evacuation doors leading to the pedestrian street from shops on both sides of the pedestrian street;
10. Exit sign lights should be set on the refuge floor, refuge room, smoke-proof front room of the refuge aisle, and above the entrance of the refuge aisle;
11. Exit sign lights should be set above the evacuation doors of crowded places such as audience halls, exhibition halls, multi-functional halls, and business halls, restaurants, and studios with a building area greater than 400m².