The basics

Emergency lighting is essential for safety in commercial buildings. Whether you manage an office building, a retail unit or a leisure facility, you should have working emergency lighting to help meet the requirements set out in BS 5266:2016, which stipulates the need for buildings to have adequate illumination when mains power fails. 
 

Emergency lights are type of light that has a battery backup. Under normal conditions, there will be power is going into the emergency light. Powering the light if it is a maintained fitting and charging the battery. In an emergency power failure may be possible due to a fire. The power supply to the lights would be cut. This is when the emergency light battery would be activated. It would power the emergency lights in the building lighting up the exit routes.​