Questions To Ask If Your Fire Alarm Was Installed Before 2006
If your fire alarm system was installed before 2006 using twin and earth (T&E) cable, it may still be operational but it does not comply with current British Standard BS 5839-1:2017. While older installations are not automatically considered unsafe, they should be inspected by a qualified fire alarm engineer, supported by an appropriate risk assessment and maintenance plan. In most commercial, communal, or multi-occupancy buildings, T&E cabling used for sounder and detection circuits should be replaced, particularly if the system is being upgraded, extended, or modified, to meet current fire safety standards.
Am I Compliant With Pre 2006 Twin And Earth Cable For Fire Detection?
No – a fire detection system wired in twin & earth (T&E) is not compliant with current fire alarm standards (BS 5839-1:2017), even if it was installed before 2006. However, if your system was installed before the 2006 standard update, it may be treated as “non-compliant but not necessarily unsafe”, provided it still operates correctly and there is a clear maintenance plan and risk assessment in place.
My Fire Alarm Was Installed Before 2006 And Use Twin And Earth, What Do I Need To Do?
The British Standard BS 5839-1:2002 (Fire detection and fire alarm systems for buildings, Code of practice) was amended in 2006 (Amendment No. 1). This amendment introduced stricter requirements for fire alarm wiring, particularly regarding cable performance during a fire. Before 2006, many installers used standard twin and earth (T&E) for non-critical parts of fire alarm systems, especially in smaller buildings or domestic installations. After 2006, standard T&E was no longer acceptable for fire alarm circuits in most installations. Have a Qualified Fire Alarm Engineer Inspect the System
Do I Need To Change My Sounder & Detection Circuit If Installed With Twin & Earth Cable?
Yes, in most cases you should plan to replace twin & earth (T&E) cabling used on sounder and detection circuits, especially in any commercial, communal, or multi-occupancy building, or if the system is being modified, extended, or upgraded.
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