emergency exit light; guide light
Refers to illuminated signs or lights that guide people to exits or along evacuation routes, especially in buildings, tunnels, or public facilities. Often used in the context of fire safety and disaster prevention.
See also: 避難誘導灯
The emergency exit lights stay on even during a power outage.
避難訓練では、誘導灯に従って出口へ向かってください。
During the evacuation drill, please follow the guide lights to the exit.