Fire Alarm Systems

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Across
  1. 2. Which circuit class is considered as "fail-safe"
  2. 4. Which article in the NEC discusses Fire Alarm?
  3. 7. For smoke chamber definition purposes, an archway that extends down from the ceiling is considered a ?
  4. 9. how many conductors does a Class B SLC require to reach each device
  5. 10. Indicate a fault on wiring power supply of communications
  6. 11. May indicate actuation of a duct smoke detector
  7. 13. Initiating device circuits and notification appliance circuits monitor for integrity by?
  8. 14. A defined area within boundaries of a fire alarm system is known as ?
Down
  1. 1. Notification appliances commonly use a __ to prevent monitoring current to pass through the notification appliance circuitry
  2. 3. A verification method used by addressable system is
  3. 5. in a an analog addressable fire alarm system, the determination of the alarm state is performed by the
  4. 6. Secondary power supplies must supply power to protected premises fire alarm systems for a minimum of ?
  5. 8. What is a type of fixed temperature heat detector
  6. 12. What pull box is restricted for use in special applications