AZ Fire Alarm flashcards
AZ Fire Alarm · Build recall with a focused review session.
32 cards. Read the term and the definition here. The deck at the top of this page is optional.
- NFPA 72 purpose
- NFPA 72 provides requirements for the application, installation, location, performance, inspection, testing, and maintenance of fire detection and alarm systems.
- Class A pathway
- A pathway that survives a single open or ground fault because it has a redundant path and remains operational, providing a higher level of reliability than Class B.
- Record of completion
- A document required by NFPA 72 at system acceptance that records the installed system, design intent, and site-specific information for the AHJ and owner.
- Smoke detector spacing
- NFPA 72 permits a maximum of 30 feet between smoke detectors on smooth ceilings and requires at least 15 feet from walls and obstructions.
- Heat detector spacing
- Spot-type heat detectors rated 135 F may be spaced up to 50 feet apart and no closer than 25 feet from walls on smooth ceilings.
- Duct smoke detector threshold
- Duct smoke detectors are required where air-handling units exceed 2,000 cfm and must be installed in the duct and tested with smoke.
- Manual pull station location
- Manual fire alarm pull stations must be installed within 5 feet of an exit door and mounted 42 to 48 inches above the finished floor.
- End-of-line resistor
- A resistor installed at the end of a conventional initiating or notification circuit that allows the panel to supervise the circuit for opens and shorts.
- Audible signal level
- Audible notification must produce at least 15 dBA above ambient or 5 dBA above maximum ambient, whichever is greater, and at least 75 dBA at 10 feet.
- Candela rating
- The measure of visible appliance light intensity; required candela depends on room size, ceiling height, and mounting location per NFPA 72.
- Temporal pattern
- A distinctive three-pulse audible signal pattern required for fire alarm notification to distinguish it from other signals and improve recognition.
- Strobe synchronization
- Visible appliances within a field of view must be synchronized to prevent seizure hazards and must be listed for synchronization.
- Battery sizing formula
- Battery capacity equals standby current times standby hours plus alarm current times alarm minutes, divided by efficiency and derating factors.
- Dedicated branch circuit
- Primary power for a fire alarm control panel must be supplied by a dedicated branch circuit that cannot be switched off accidentally.
- Voltage drop limit
- Notification circuit design must account for voltage drop; a common maximum is 10 percent, but manufacturer limits and listings govern.
- Addressable isolator
- A module that isolates a faulted segment of an addressable loop so the remainder of the loop continues to operate during a fault.
- NEC Article 760
- The National Electrical Code article governing fire alarm systems, including power-limited and non-power-limited fire alarm circuit wiring methods.
- Plenum cable
- Fire alarm cable listed for use in plenums (FPLP) that has low smoke and flame characteristics and is required in air-handling spaces.
- Firestop system
- A listed assembly used to seal penetrations of fire-rated walls and floors to maintain the fire-resistance rating of the assembly.
- Survivability requirement
- A requirement that certain notification and control circuits remain operational for a specified period, often two hours, in designated occupancies.
- Annual smoke detector test
- NFPA 72 requires smoke detectors to be tested annually for functional operation and sensitivity, with records maintained for the AHJ.
- Battery load test
- A test that verifies battery capacity and charging current; batteries are replaced when they fail to meet manufacturer performance criteria.
- Sensitivity testing
- A test of smoke detector response that verifies the detector is within its listed sensitivity range; out-of-range units are cleaned or replaced.
- Test documentation
- Records of inspection and testing that identify devices, results, and deficiencies and must be maintained and available to the AHJ.
- Arizona ROC license
- Arizona requires fire alarm contractors to hold a license from the Registrar of Contractors; licensing rules cover contracts and consumer protection.
- State Fire Marshal role
- The Arizona State Fire Marshal and local AHJs enforce fire codes, review plans, and may require permits and inspections for fire alarm work.
- Plan review requirement
- Many Arizona jurisdictions require plan review and permits before fire alarm installation, sometimes with drawings stamped by a licensed engineer.
- Adopted code edition
- Arizona adopts the IFC and NFPA standards by reference with local amendments; always verify the edition adopted by the specific AHJ.
- NICET certification
- A nationally recognized certification for fire alarm technicians; some Arizona jurisdictions or employers require it for testing and inspection personnel.
- AHJ authority
- The authority having jurisdiction interprets and enforces fire codes, approves installations, and may require additional testing or documentation.
- Deficiency correction
- Identified deficiencies must be corrected and documented; the AHJ may require reinspection and retesting before the system is accepted.
- Initiating device circuit
- A supervised circuit connecting detectors and manual stations to the control panel; it may be conventional or addressable and Class A or B.