避ひ難なん誘ゆう導どう灯とう

noun

emergency exit sign; illuminated evacuation guide light

Refers to the illuminated signs that indicate emergency exits and evacuation routes in buildings.

• 避ひ難なん誘ゆう導どう灯とうは停てい電でん時じにも点てん灯とうするように設せっ計けいされている。

  Emergency exit signs are designed to stay lit even during a power outage.