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