FIRE ALARM SYSTEMS FUNDAMENTALS EXPLAINED

smoke, result in a fire sprinkler. Most fire sprinkler heads come Outfitted that has a glycerin-crammed glass bulb. Because the glycerin heats up due to warmth from the fire under, it expands, shatters the glass bulb, and triggers the sprinkler head. The fire sprinkler switch senses this move of drinking water and transmits a signal on the fire ala