WIRELESS FIRE ALARM SYSTEMS - AN OVERVIEW

smoke, cause a fire sprinkler. Most fire sprinkler heads come equipped with a glycerin-loaded glass bulb. Given that the glycerin heats up due to the warmth from a fire under, it expands, shatters the glass bulb, and triggers the sprinkler head. The fire sprinkler change senses this stream of water and transmits a signal to the fire alarm user inte