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Records should be retained:
Until next test at minimum and longer if required by "AHJ"
Definition: Keep records accessible on site per code and local rules.
Device addresses and point text should:
Match drawings with clear locations and functions
Definition: Clear point text speeds emergency response and service.
For Texas jurisdictions, always confirm:
Local adoption of model codes and any amendments with the "AHJ"
Definition: Texas cities and counties adopt model codes with amendments; verify with the Authority Having Jurisdiction. Texas Fire Alarm Technician - 400Q Master (Part 5: Questions 321-400) Aligned to: "NFPA" 72 (2022), "NEC" 70 (2020) Article 760, "IBC" (2021) Section 907, and "NFPA" 101 (2021). Audio friendly flow: Question, Options A-D, “Pause”, Answer, then a tuned Definition. Pro tip: Map the word “Pause” to a 4-6 second delay. Set voice rate to about 1.05-1.15×.
The Record of Completion is used to:
Summarize installed features, software revisions, and test results at acceptance
Definition: The Record of Completion documents the final installed system and acceptance test outcomes, supporting future service and code compliance.
As built drawings should be stored:
On site with other system records
Definition: On site documentation enables maintenance, inspections, and modifications.
When software at the panel is updated, technicians should:
Perform targeted reacceptance testing for affected features
Definition: Software changes can alter behavior; verify sequences and affected functions.
Pathway class that applies to supervised Ethernet "IP" transport is:
Class N
Definition: Class N refers to supervised network transport segments for fire alarm signaling.
A key survivability method for voice circuits is:
Routing as Class A or using 2 hour rated pathways where required
Definition: Maintain messaging during faults via Class A routing or enhanced pathway survivability.
Short circuit isolators on SL Cs primarily:
Segment shorts so the rest of the loop continues to communicate
Definition: Isolators limit the extent of a short and improve reliability.
During design, a cause and effect matrix:
Documents how each input drives outputs and is used for acceptance testing
Definition: The matrix is the road map for testing emergency control functions.
Owner training at turnover should include:
Alarm, supervisory, and trouble responses, impairments, and who to notify
Definition: Proper training allows safe day to day operation and response.
For combination fire and carbon monoxide systems, messages and tones must be:
Distinct for each hazard
Definition: Distinct cues avoid confusion: fire versus carbon monoxide.
A typical exception that can reduce the number of manual boxes is:
Fully sprinklered buildings with automatic detection and "AHJ" approval
Definition: Model codes permit reductions in certain sprinklered buildings; confirm with the "AHJ".
Network switches carrying Class N fire traffic should be:
Listed/approved for the application with supervised links and backup power
Definition: Maintain supervision and availability for networked fire pathways.
Device point text should:
Match drawings with clear locations and functions
Definition: Clear labeling speeds response and service.
For high rise buildings, the annunciator is best located:
Near the main entrance or command center
Definition: Responder friendly locations accelerate size up.
When combining systems in a pathway, designers must follow:
Separation/barrier and listing requirements for different voltages and types
Definition: Maintain separation or listed barriers to protect power limited insulation and function.
Mass notification non emergency pages should:
Yield immediately to fire alarm messages and resume after
Definition: Fire alarm has priority over non emergency communications.
A proprietary supervising station is:
A facility owned by the protected entity that monitors its own premises
Definition: The owner monitors signals for their buildings under a proprietary setup.
Central station service is defined as:
A listed service including installation, maintenance, testing, and monitoring
Definition: Central station service is comprehensive and listed.
Remote station service means signals are sent to:
A public fire service communications center
Definition: Remote station sends signals directly to public fire communications centers.
During impairments that remove protection, the responsible party should:
Institute a documented fire watch and notifications
Definition: Fire watch maintains safety until protection is restored.
Before leaving after testing, technicians must:
Restore all systems to normal and notify stakeholders
Definition: Full restoration and notifications close out testing safely.
A "NAC" draws 1.8 amps on a loop with 2.4 ohms round trip. Voltage drop is:
4.32 V
Definition: V equals I times R. 1.8 times 2.4 equals 4.32 volts.
Panel at 24 "VDC" minus 4.32 V drop delivers:
19.68 V
Definition: 24 minus 4.32 equals 19.68 volts at end of line.