
By Daphne Bowen This is basically the illumination that automatically replaces the normal lights when electricity supply is cut or interfered with. This kind of lights is for those situations which are unexpected such as sudden power blackout and someone intentionally interferes with a building electricity system maliciously causing total darkness in that premise. Darkness sometimes may pose health hazard to people or expose those living in that building to greater risk such as falling in the staircases or people bumping to each other and not to forget panic that darkness brings. Emergency lighting...