GB 50034-2013 第2.0.8条
| | **Emergency lighting**: Lighting that is activated when the normal lighting power supply fails, including escape lighting, safety lighting and standby lighting. Hotels are required to provide emergency lighting, and its illuminance standard values (e.g., the horizontal illuminance at the floor of escape routes shall be no less than 0.5 lx) and duration of continued power supply (e.g., no less than 30 minutes) shall comply with the relevant codes. |