The fire alarm industry is full of rules. I’ve previously explained each of the six categories of rules, which apply, respectively, to manufacturers, what to install, how to install, to individuals, ...

Group M (mercantile) retail spaces under 500 occupants on the ground floor do not independently require a fire alarm system, but their occupancy contributes to the total building load in mixed-use ...

A small fire breaks out in a hospital's outpatient wing. Immediately, the fire alarm system kicks into action. The hospital engineering staff is alerted to the activated device location, the fire ...

How many of those round things on the ceiling can you count?The white discs attached to the ceilings of our homes. Many people have likely never given them a second thought since looking up at them ...