Mich. Admin. Code R. 408.10902 - Definitions; A to C
Rule 902.
(1)
"Automatic sprinkler system" means a network of specially sized piping to which
sprinklers are connected and systematically spaced. The system is activated by
heat to discharge water over a fire starting at any point. This system is
connected to a water supply through a controlling valve and a device for
activating an alarm when the system is operating.
(2) "Carbon dioxide extinguishing system"
means a system of pipes or hoses, nozzles, a triggering device and a
pressurized container of carbon dioxide. The gas dilutes the oxygen or gaseous
fuel, thus stopping the combustion chain reaction.
(3) "Class A fire" means a fire that has, as
its fuel, ordinary combustible material, such as wood, cloth, paper, rubber,
and many plastics.
(4) "Class B
fire" means a fire that has, as its fuel, flammable liquids, gases, or
greases.
(5) "Class C fire" means a
fire that involves energized electrical equipment where the nonconductivity of
the extinguishing agent is necessary to prevent shock. The fuel consumed by a
class C fire will be classed as A, B, or D.
(6) "Class D fire" means a fire that involves
the oxidation reaction of combustible metals, such as magnesium, titanium,
zirconium, sodium, or potassium.
Notes
State regulations are updated quarterly; we currently have two versions available. Below is a comparison between our most recent version and the prior quarterly release. More comparison features will be added as we have more versions to compare.
No prior version found.