Chapter 6 Flashcards
what circuit is fail-safe
Class D
Smoke detectors installed in elevator lobbies for phase 1 recall must be installed within _____ of the center line of each elevator car controlled by the detector
21 feet
name 5 building systems that are sometimes integrated with fire alarm systems
security/burglary elevator HVAC Nurs Call Access Control
the maximum delay for a water-flow switch is
90 seconds
the standard that contains requirements for duct detection in hvac systems is
NFPA 90
suppression system controls must be provided with a ____ to prevent inadvertent tripping during fire alarm testing
a physical switch
What is the minimum number of fire alarm control circuits (for phase 1 recall) required for each group of elevators
3
a combination fire alarm/security system with a single display requires a second display for the fire alarm portion where the ____
AHJ determines the non fire alarm information display is excessive
combination systems utilize _____
a single control unit that performs multiple functions
direct connection of two or more compatible control units is sometimes referred to as ____ communication
peer to peer
Where elevator hoist-way and machine room are sprinklered, heat detectors are required within ____ of ______ sprinkler.
2 feet of each sprinkler
a technology that allows fire alarm signals to be sent over a local area network is called ____
BACNet