Guide to the changes in BS 5839-1:2025

Publication Year

2025

Document Status

Current

Abstract

Collates a history of changes to BS 5839-1 and looks at the new numbering within the 2025 version of the standard. Also considers the following topics: system categories, variations, interface placement, system components, obstacles to detectors, call points, fire alarm tones, remote indicator, alarm transmission, heat detectors, fire detectors, cabling, ceiling heights, detectors in voids, power supplies, false alarms, maintenance and repair, documentation and handover.

Document History

The information set out in this document is believed to be correct in the light of information currently available but it is not guaranteed and neither the Fire Industry Association nor its officers can accept any responsibility in respect of the contents or any events arising from use of the information contained within this document. Version 1.

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