ひじょうとう
非常灯
1. emergency light; emergency lamp
2. Emergency lightAn emergency light is a battery-backed lighting device that comes on automatically when a building experiences a power outage. Emergency lights are standard in new commercial and high occupancy residential buildings, such as college dormitories. Most building codes require that they be installed in older buildings as well.
Read “Emergency light” on English Wikipedia
Read “非常灯” on Japanese Wikipedia
Read “Emergency light” on DBpedia
Read “Emergency light” on English Wikipedia
Read “非常灯” on Japanese Wikipedia
Read “Emergency light” on DBpedia
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