NFPA 72 Questionnaire-104 Questions with
Actual Solutions
control unit displays, visible indicators, or controls shall be mounted such that the distance
to the highest switch, lamp, or textual display
does not exceed 6 ft. above finished floor
lowest switch, lamp, or textual display
shall not be less than 15 in. above finished floor
early warning fire detection
areas not continuously occupied at location of each unit, notification appliance, and supervising
station
2 types of early warning fire detection
automatic smoke detector or automatic heat detector
Initiating manual alarms
fire alarm box, key operated, means contained within a locked cabinet
Number of reliable power supplies needed
Two; primary and secondary
Type O ESS
no interruptions; carried to load in 0 seconds
Class 24 ESS
, operate at its rated load without being refueled or recharged for 24 hours
Level 1 ESS
most stringent applications where failure of the equipment to perform could result in loss of
human life or serious injuries
branch circuit supplying the equipment shall be supplied by
electric utility, engine-driven generator where an operator is always available, combination of the
2
No other loads
can be on a branch circuit providing power for fire alarm or emergency communications
equipment
The system circuit disconnecting means shall
be marked to identify the system or equipment that it serves
circuit disconnecting means - red marking
fire alarm and/or signaling systems
The secondary power supply shall automatically provide power to the protected premises
system within
10 seconds
The secondary power supply shall automatically provide power to the supervising station
facility and equipment within
Actual Solutions
control unit displays, visible indicators, or controls shall be mounted such that the distance
to the highest switch, lamp, or textual display
does not exceed 6 ft. above finished floor
lowest switch, lamp, or textual display
shall not be less than 15 in. above finished floor
early warning fire detection
areas not continuously occupied at location of each unit, notification appliance, and supervising
station
2 types of early warning fire detection
automatic smoke detector or automatic heat detector
Initiating manual alarms
fire alarm box, key operated, means contained within a locked cabinet
Number of reliable power supplies needed
Two; primary and secondary
Type O ESS
no interruptions; carried to load in 0 seconds
Class 24 ESS
, operate at its rated load without being refueled or recharged for 24 hours
Level 1 ESS
most stringent applications where failure of the equipment to perform could result in loss of
human life or serious injuries
branch circuit supplying the equipment shall be supplied by
electric utility, engine-driven generator where an operator is always available, combination of the
2
No other loads
can be on a branch circuit providing power for fire alarm or emergency communications
equipment
The system circuit disconnecting means shall
be marked to identify the system or equipment that it serves
circuit disconnecting means - red marking
fire alarm and/or signaling systems
The secondary power supply shall automatically provide power to the protected premises
system within
10 seconds
The secondary power supply shall automatically provide power to the supervising station
facility and equipment within
