Basic Fire alarm Facts Flashcards
Standby power
24hours/5minutes
Min sleeping area sound level
75dBa
AUDIBLE max sound level
110dBa
Smoke detector spacing
30’
AUDIBLE min sound level
15dBa
Mount AUDIBLE device at
90” AFF
Primary power
Delivered from dedicated branch circuit
VISIBLE device mounting height
80”-96” AFF
Water flow switches shall have a max retard of
90 seconds
3 types of fire alarm signal
Alarm signal
Supervisory signal
Trouble signal
Pull station mounting
3.5’-4’ within 5’ of door
What type of signal does a water pump indicate
Supervisory signal
What type of signal does control tamper indicate
Supervisory signal
What type of signal does a water flow indicate
Alarm signal
VISIBLE flash rate
max 2 flashes per second
Bldgs with ____ or more floors require elevator recall
3
VISIBLE maximum corridor spacing
100’