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Electric Source for Safety Services ("ESSS")

Electric Source for Safety Services ("ESSS")

An Electric Source for Safety Services (ESSS) in relation to emergency lighting and exit sign systems refers to the dedicated electrical power supply that provides uninterrupted power to essential fire safety systems and equipment during an emergency when normal power is lost such as during a fire or other emergency.

The ESSS ensures that these systems remain operational by providing an alternative power source, such as a battery backup, supercapacitor (EDLC), emergency generator, or other fail-safe power options.

    Disclaimer

    In preparing this definition, we have drawn from various sources including Legislation, Codes, Standards and industry information, research and knowledge.  Like the english language, these definitions may subtly change from time to time. As such these definitions are provided solely on the basis that users will be responsible for making their own assessment of the definition and and are advised to verify all relevant representations, statements and information.