非ひ常じょう灯とう

noun

emergency light; emergency lamp

Refers to a light that turns on during power outages or emergencies, commonly found in buildings, stairwells, and public facilities.

• 停てい電でんすると、非ひ常じょう灯とうが自じ動どうで点てん灯とうします。

  When the power goes out, the emergency light turns on automatically.

• 非ひ常じょう灯とうのバッテリーを定てい期き的てきに点てん検けんしてください。

  Please check the emergency light battery regularly.