1. The characteristics of various wiring methods should be accurately mastered, so as not to blindly wiring, can not play its due role.
2. Emergency lighting If it is part of normal lighting, a third-line controllable connection method should be used.
3. For multi-storey public buildings, if the control center is not set up, the emergency lighting in each part can be controlled by adding in-place switch control (single-lamp single-control or multi-lamp control) or the third-line connection method of centralized control in the distribution box. 4. There are fire control center works, in order to meet when the fire occurs, the control center can open fire layer and related layer fire emergency lighting requirements.