Guides & technical articles
Fault diagnosis walkthroughs, UK standards explained, and practical advice for engineers at every stage — from apprentice to commissioning.
Showing 181–198 of 294 matching articles
Detector Guards and Physical Protection of Fire Alarm Devices
When fire alarm detectors and devices need physical protection such as guards or cages, the trade-offs involved, and what to check — for UK fire alarm engineers.
Fire Alarm Installation: First Fix and Second Fix
What the first-fix and second-fix stages of a fire alarm installation involve, why the split matters, and what to get right at each — for UK fire alarm engineers.
Fire Alarm Spares Holding and Obsolescence
Why holding spares and planning for obsolescence matters for fire alarm systems, and how to manage ageing and legacy equipment — for UK fire alarm engineers.
Standby Power for Fire Alarms: Batteries, Generators and UPS
How fire alarm standby supplies work with site generators and UPS, why the panel's own standby batteries still matter, and what to check — for UK engineers.
Voice Alarm Intelligibility and Speech Transmission Index
Why voice alarm messages must be intelligible, how speech intelligibility is assessed, and what affects it — for UK fire alarm and voice alarm engineers.
Coincidence and Double-Knock Detection Explained
How coincidence (double-knock) detection reduces false alarms, when it is appropriate, and the safety limits engineers must respect — for UK fire alarm engineers.
Door Hold-Open Devices and Fire Alarm Release
How fire alarm systems release door hold-open retainers so fire doors close, the standards that apply, and what to check — for UK fire alarm engineers.
Duct Smoke Detection: Purpose and Limitations
What duct smoke detection is for, why it does not replace area detection, how sampling works, and what to check — for UK fire alarm engineers.
Protecting Escape Routes and Stairwells with Detection
Why escape routes and stairwells are prioritised for fire detection, how coverage is decided, and what to check — for UK fire alarm engineers.
Fire Curtains and Shutters: Fire Alarm Interface
How fire alarm systems actuate fire curtains and shutters, the standards and cause-and-effect that govern them, and what to check — for UK engineers.
Flame Detectors: UV, IR and Where They Belong
How UV and IR flame detectors work, where they suit fast-flaming fire risks, their false-alarm sources, and what to check — for UK fire alarm engineers.
Fire Alarm Systems for HMOs (Houses in Multiple Occupation)
How fire detection is approached in houses in multiple occupation — grades and categories, sleeping risk, and shared arrangements — for UK fire alarm engineers.
Linear Heat Detection: Where and How to Use It
How linear heat detection cable works, where it suits harsh or hard-to-reach fire risks, its types, and what to check — for UK fire alarm engineers.
Loop Isolators and Short-Circuit Protection on Addressable Systems
How loop isolators limit the effect of a short circuit on an addressable fire alarm loop, where to place them, and what to check — for UK engineers.
The Fire Alarm Site Survey Before Design
What a good pre-design fire alarm site survey captures — building, use, risks and constraints — so the design is right first time, for UK engineers.
Fire Alarm Detection in Tunnels and Underground Structures
How fire detection is approached in tunnels and underground structures — linear heat detection, harsh conditions and specialist design — for UK engineers.
Fire Alarm Detection for Waste and Recycling Facilities
How fire detection is approached in waste and recycling facilities — high fire load, self-heating, dust and large open structures — for UK engineers.
Individual Competency for Fire Alarm Engineers
What competency means for an individual fire alarm engineer — knowledge, skill, experience and working within your limits — for UK fire alarm engineers.
Put knowledge into practice on site
Use source-verified records, official manufacturer links and evidence-led AI support alongside the reviewed guidance in this library.