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Emergency Lighting Definitions |
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Non-Maintained |
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- A Non-Maintained Emergency or Exit Luminaire is an emergency or Exit Luminaire in which the emergency lighting lamps are in operation only when the supply to the normal lighting fails.
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Maintained |
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- A Maintained Luminaire Emergency or Exit Luminaire is an emergency or Exit Luminaire in which the emergency lighting lamp(s) are energized at all times when normal or emergency lighting is required.
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Sustained |
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- A Sustained Luminaire or Exit Luminaire which incorporates at least two lamps, one energized from an emergency supply and operated in non-maintained mode, the other energized from the normal supply. Illumination is sustained either by the emergency lamp or the normal lighting lamp.
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See further definitions in AS 2293 Part 1 2005 Section 1.3 |
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