Normally, the fire alarm initiating device, notification appliance and signaling line circuits are not run outside the building. When we have no choice but to run them overhead or underground, ...

Just as residential and commercial fire alarm requirements differ significantly, so do the rules governing their wiring. The wiring types and unique exceptions allowed for residential (one- and ...

Even if you're not ready to take the plunge into fire alarm system design and installation just yet, you should still know the fundamentals in order to perform emergency work. This includes knowing ...