A maintained emergency light is always on and will stay illuminated in the event of a power failure. These lights are usually installed in communal areas such as corridors and stair wells.
A non-maintained emergency light only comes on in the event of a power failure. These lights will usually be installed in areas that don't need a permanent light source.
Reviewed: 01/02/2023 (doc:540 V1.0). Our articles are reviewed regularly. However, any changes made to standards or legislation following the review date will not have been considered. Please note that we provide abridged, easy-to-understand guidance. To make detailed decisions about your fire safety provisions, you might require further advice or need to consult the full standards and legislation.
