R 408.10905 Definitions; H to P.

Rule 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.