Final Review Flashcards
In an addressable system, initiation devices are connected through a line referred to as _________ or ___________?
DCL or SLC
In a conventional system, the name of a small current to indicate integrity under normal conditions is called what?
Supervisory current
Two types of fire alarm control are __________&___________?
Single stage & two stage
Relay modules are used for the control of __________ devices
Ancillary
What are example of ancillary devices ?
Magnetic door holders
Fan contactors
Fire pumps
The primary purpose of a fire alarm system is what?
To save lives
Isolation modules are used for what?
Isolate a portion of the SLC
Four conditions of a fire alarm system
Normal
Supervisory
Trouble
Alarm
Monitor modules are used for what ?
Monitor conventional devices
What provides circuit supervision on a conventional Fire alarm system
end of line resistor
Conventional initiating circuits end with what
EoL
Conventional monitoring circuits end with what ?
EOL
A conventional fire alarm system does not provide identification of the specific that initiated the alarm?
Provides identification of the zone
Two types of heat detectors
Rate of rise
Fixed
Conventional NAC ccts end in what
eol
In an addressable system are all initiating, monitoring and notification devices polarity sensitive ?
Yes
Does a SLC and DCL end with a EOL resistor
No
Do addressable Nac ccts end with EOL ?
Yes
When a heat detector, pull station, or smoke are activated, what will a two stage system initiate ?
Audible alert
When wiring a SLC do you leave on B terminals ?
Yes
List 3 sprinkler tree devices and their conditions
- Gate valve - supervisory
- Low water pressure - supervisory
- Water flow sw - alarm
Low pressure will cause what ?
Supervisory
If water flows through sprinkler system, what is triggered
Alarm
In an addressable system, if a device address is incorrect, what will happen ?
Trouble
In a conventional system are smokes polarity sensitive ?
Yes
Will a trouble reset when problem is resolved ?
Yes
Closing a gate valve will cause what ?
Supervisory
Reduction of water pressure will cause ?
Supervisory
What can be used to de energize an ancillary device
Addressable relay module
What can be used to interconnect a conventional cct/device to an addressable fire alarm system?
Addressable monitoring module
