They found the fire on the third floor. They drowned it in water and foam. The water damage was extensive, the floor charred, the windows shattered from the heat.
When the fire trucks arrived, screaming their own sirens into the afternoon air, it was a second layer of response. The firefighters were the effect of the call, which was the effect of the panel, which was the effect of the detector, which was the effect of the smoke, which was the effect of the wire.
Specialized sensors for high-risk industrial environments. 2. Defining "Effect" in Fire Safety fire alarm cause and effect
On the second floor, they hadn't heard the alarm as clearly, but the strobes flashed in unison, synchronized by the master control. The effect rippled downward. Doors opened. People poured into the stairwells, merging with the flow from above. It was a river of humanity moving toward the gravitational pull of the ground floor.
The first effect was electronic. On the ceiling of the adjacent hallway, a photoelectric smoke detector sat dormant, a white plastic saucer watching over a quiet corridor. When the ribbon of smoke breached its chamber, it scattered the infrared light inside. They found the fire on the third floor
Fire Alarm Cause and Effect Testing - FAFS Fire and Security
When a fire alarm is triggered, it can have various effects, including: When the fire trucks arrived, screaming their own
The genesis of the event was not a grand tragedy. There was no arsonist, no explosion, no act of God. The cause was a simple, exhausted failure of physics.