A fire hydrant is a connection point by which firefighters can tap into a water supply. It is a component of active fire protection.
The user attaches a hose to the fire hydrant, then opens a valve on the hydrant to provide a powerful flow of water, on the order of 350kPa (50 lbf/in²) (this pressure varies according to region and depends on various factors including the size and location of the attached water main).
When a firefighter is operating a hydrant, he or she typically wears appropriate personal protective equipment, such as gloves and ahelmet with face shield worn. High-pressure water coursing through a potentially aging and corroding hydrant could cause a failure, injuring the firefighter operating the hydrant or bystanders.
The user attaches a hose to the fire hydrant, then opens a valve on the hydrant to provide a powerful flow of water, on the order of 350kPa (50 lbf/in²) (this pressure varies according to region and depends on various factors including the size and location of the attached water main).
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