Section R. 408.10905 - Definitions; H to PRule 905.
(1) "Halogenated extinguishing system" means a fixed system of pipes or hoses, nozzles, an actuating device and a container containing a halogenated agent under pressure. The agent inhibits the chemical reaction of fuel and oxygen, thus stopping the combustion chain reaction.(2) "High expansion foam system" means a system of flooding an area with an aggregation of bubbles mechanically generated by the passage of air or gas through a net or screen which is wetted by a solution of foaming agents and generated as a foam in a ratio of 100 to 1000 to 1.(3) "Local fire alarm system" means a system of boxes or devices which will manually or automatically activate a visual or audible alarm, or both, to alert an employee.(4) "Predischarge or discharge alarm" means an audible or visual device interconnected with an extinguishing system and a detecting actuating device.Mich. Admin. Code R. 408.10905