2023 NEC Fire Alarm Requirements
Test your knowledge of the fire alarm requirements in the 2023 National Electrical Code.
1. Installations of fire alarm systems shall comply with Article 300.21, which covers ______.
Correct Answer: Spread of fire or products of combustion
2. Only the sections in Article 300 referenced in Article 760 shall apply to fire alarm systems.
Correct Answer: True
3. Circuit integrity cables shall be supported at a distance not exceeding ______ inches.
Correct Answer: 24
4. A listed surge-protective device shall be installed on the supply side of a fire alarm control panel.
Correct Answer: True
5. Cables used as power-limited fire alarm cables specified in Chapter 3 and meeting the requirements of 722.179(A) (15)(a) and (A)(15)(b) shall be permitted to be installed in nonconcealed spaces where the exposed length of cable does not exceed ______ feet.
Correct Answer: 10
6. Within an enclosure, electric light, power, Class 1, non-power-limited fire alarm and medium-power network- powered broadband communications circuit conductors are routed to maintain a minimum of ______ separation from the conductors and cables of power-limited fire alarm circuits.
Correct Answer: 0.25 inches
7. PLFA circuits are permitted to be installed together with the conductors of electric light, power, Class 1, non-power-limited fire alarm and medium-power network- powered broadband communications circuits where they are installed using NPFLA wiring methods and materials and are protected by an approved method.
Correct Answer: True
8. Cable and conductors of Class 3 and communications circuits shall not be permitted within the same cable, enclosure, cable tray, raceway or cable routing assembly with cables and conductors of power-limited fire alarm circuits.
Correct Answer: False
9. Power-limited and non-power-limited fire alarm cables installed in ducts, plenums or other spaces used for environmental air shall comply with ______.
Correct Answer: 300.22
10. Building control systems (e.g., elevator capture, fan shutdown) associated with the fire alarm system shall comply with Article ______.
Correct Answer: 725
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