All papers
Everything on the site you can read or use, on one page: grouped as the site is, with the date each piece was published or last reviewed. No pictures and nothing to load, so it prints cleanly and reads well aloud.
Looking for one piece? Search, at the top of every page, finds it by the words inside. The same list is also a plain text file, one line per page with its full address.
Knowledge Hub (15)
Standby batteries (7)
Battery series: sizing standby batteries to BS 5839-8:2023 (7)
- The page I almost turned
- Your next voice alarm battery quote should be smaller than your last
- The worked example that doesn't work
- What battery manufacturers should publish, but do not
- Peukert's law oversizes your voice alarm batteries
- A 1200 W voice alarm's battery is sized by its quietest 24 hours
- Voice alarm panels can cry wolf and still miss real faults
System design (2)
Testing and fault-finding (1)
Emergency messaging (2)
Maintenance (3)
Standards (3)
Martyn's Law (5)
- Does Martyn's Law require a PA system? reviewed
- Can a fire alarm system make lockdown or invacuation announcements? reviewed
- Under Martyn's Law, how do we warn back-of-house staff during a lockdown? reviewed
- Who can assess whether your PA or voice alarm meets Martyn's Law's communication requirements? reviewed
- Martyn's Law tier checker reviewed
Help (5)
- You've had the service visit, and all you got back was a tick sheet and some numbers
- There are so many standards. Do I have to buy and read every one?
- It keeps faulting, I'm told it needs replacing, and the budget isn't there
- People tell us the announcements sound awful
- Three companies have tried to fix it. It still isn't fixed.