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NexiTech LED - Self-contained safety & exit signEmergency lighting plays a critical role in building safety, particularly in an evacuation scenario. It's designed to provide prompt, automatic lighting in an emergency situation where the main power supply is cut and the normal mains lighting fails. Emergency lighting acts as a lifeline in hazardous situations – reducing panic, delivering essential illumination and guiding the occupants of a building towards safe exit points.
There are many circumstances in which the activation of emergency lighting becomes necessary, including mains power failure, evacuations or fire hazards where reduced visibility requires additional light sources. The selection of emergency lighting products is dependent upon their primary purpose, which may be emergency exit lighting, escape route lighting, standby lighting, open area (or anti-panic) lighting, the illumination of exit signs, specific lighting for high-risk task areas or a combination of the above throughout a building.
There are two types of technologies from which to choose when designing emergency lighting for commercial buildings: self-contained or central battery systems.
Central battery systems have a central power source that supplies the individual emergency lighting products via cabling. Central battery systems are easy to maintain and have a long battery life.
Self-contained emergency lighting products contain their own power supply (batteries). Self-contained emergency lighting products are easy and fast to install, and the system can easily be extended with additional fittings.
What is the difference between maintained and non-maintained modes of operation?
Maintained means that the emergency light is permanently on in general use as part of the general lighting system and during an emergency with power back-up. Typically, maintained emergency luminaires are used in public spaces and in leisure facilities such as etc.
Non Maintained luminaires only come on when the power supply supplying emergency light fails. Normally non-maintained lights are used in buildings in which the general lighting is turned on when they are occupied.