In the case of an emergency make sure your way out is lit with emergency lighting!
Emergency lighting is lighting that automatically comes on when the power supply for the normal lighting provisionally fails.
Emergency escape lighting – that part of an emergency lighting system that provides illumination for the safety of people leaving a location or attempting to terminate a potentially dangerous process beforehand. It is part of the fire safety provision of a building and a requirement of The Regulatory Reform (Fire Safety) Order 2005.
Standby lighting – that part of an emergency lighting system provided to enable normal activities to continue substantially unchanged.
Escape route lighting – that part of an emergency escape lighting system provided to ensure that the means of escape can be effectively identified and safely used by occupants of the building.