ST. LOUIS—A new Potter Electric Signal Co. study shows that replacing air with nitrogen as the supervisory gas in dry and pre-action sprinkler systems dramatically reduces rust and makes the systems ...

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The local adopted fire and building codes specify when sprinkler systems need to be installed. These codes do not specify the system design, type, or limitations. Most model codes send the user to ...

Inventors began experimenting with automatic sprinklers around 1860. These systems started out as pipes with holes drilled in them. When a fire occurred, the water was turned on to control the fire.