Any system that reliably marks a means of egress in the event of power failures, hazards, or other crises can be referred to as an emergency lighting option. Normal supplies of AC power in buildings often fail during an emergency. Even if such power failures occur, emergency lighting ensures that stairways, aisles, corridors, ramps, escalators and other passageways leading to safety stay lit to direct evacuees to the nearest escape route and make possible a smooth and swift exit. Building codes in many countries require that all non-residential structures are equipped with emergency lighting.
Continue reading...
Thursday, May 6, 2010
0 Comments