fire alarm systems Fundamentals Explained
smoke, induce a fire sprinkler. Most fire sprinkler heads occur Geared up that has a glycerin-loaded glass bulb. Since the glycerin heats up as a result of heat from a fire beneath, it expands, shatters the glass bulb, and triggers the sprinkler head. The fire sprinkler switch senses this circulation of h2o and transmits a sign to your fire alarm u