Lighting distribution system wiring diagram （Emergency lighting power supply and High-rise building)

Lighting distribution system wiring diagram （Emergency lighting power supply  and High-rise building)

When the building is a Class A high-rise building, the two power supplies are the main power supply and the emergency power supply. When it is a class II high-rise building, it is appropriate to supply power with double circuits. The emergency lighting distribution box should be set according to the fire protection zone