Wiring Procedures For Fire Alarm Systems Flashcards
The disconnecting means for the primary power supply of a F.A.S must be lockable in the ON position. T or F?
True
The Emergency power supply of a F.A.S must be provided by a generator that is capable of operating at full load for not less than four hours. T or F?
False, not less than 2 hours is correct
A zone cannot cover more than one storey in a building. T or F?
True
In a Class B fire alarm circuit, the field devices are connected in series. T or F?
False, they’re connected in Parallel
The _____ device is what facilitates the required amount of supervisory current to flow through the circuit.
End of line device
In Conventional Class B circuit, a short circuit in the NAC causes what condition at the control panel?
Trouble
In a Class A circuit, a single open circuit in the wiring may cause a device, intiating or signalling to become inoperable. T or F?
False, they will not become inoperable under a single short circuit.
How is a tamper device installed in regards to a sprinkler device?
Wired in series with the EOL device after the flow switch
What does a control valve switch detect?
The position of the valve, if it’s been changed and if it has, cause a supervisory condition at the F.A.C.P
Fault Isolator Modules are used in what sort of circuits?
DCLC or Class C circuits
What sort of modules are required for a fire door to close or HVAC units to shut off automatically during a fire?
Control Modules
What is another name for an extender panel?
Booster Panel
What can be done to reduce the number of cables that need to be run all the way back to a F.A.C.P?
A transponder can be utilized.
The wiring of Fire Alarm circuits must conform to ULC-S524 and the ____.
CEC / Canadian Electrical Code
Conventional (non-addressable) can be Class A only. T or F?
False. They can be Class A or B
