1. In addition to the normal power supply, the power supply of the emergency lighting lamp has another power supply; or it is powered by the diesel generator set of the normal power supply; or it is powered by the battery cabinet or the emergency lighting with its own power supply is selected.
2. After the normal power supply is cut off, the power conversion time of emergency lighting is: evacuation lighting≤15s; backup lighting≤15s; (financial store exchange≤1.5s): safety lighting≤0.5s.
3. Evacuation lighting consists of safety exit signs and evacuation signs. The height of the safety exit sign light is not less than 2m from the ground, and it is installed above the evacuation exit and the inner side of the stairway.
4. The evacuation sign light is installed on the top of the safety exit, and the stairwell, evacuation walkway and its corners should be installed on the wall below 1m. Parts that are difficult to install can be installed on the upper part. The distance between the sign lights on the evacuation passage is not more than 20m (civil air defense engineering is not more than 10m).
5. The setting of evacuation signs does not affect normal traffic, and other signs that are easy to mix with evacuation signs are not set around it.
6. Emergency lighting fixtures and lamps whose operating temperature is greater than 60°C shall take fire prevention measures such as heat insulation and heat dissipation when they are close to combustibles. When using incandescent lamps, tungsten halogen lamps and other light sources, do not directly install them on combustible decoration materials or combustible objects.
7. The emergency lighting circuit in each fire compartment has fire blocking measures for the emergency lighting circuit passing through different fire compartments.
8. Fire-resistant wires and cables shall be used for evacuation lighting lines, which shall be laid openly through pipes or concealed through rigid conduits in non-combustible bodies, and the thickness of the protective layer shall not be less than 30mm. The wire adopts copper core insulated wire with rated voltage not less than 750V.
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