5-Minute Tech Quiz
Learning About the New Class N (for Networks) Pathways
Do You Know the International Building Code?
All Answers relate to NFPA 70, 2017 Edition
1. The first edition in which Class N was added to the Code is __________.
A. 2007
B. 2010
C. 2013
D. 2016
E. 2019
23.6
2. Which of the following is not a type of circuit identified in a fire alarm control unit?
A. IDC
B. SLC
C. CDC
D. NAC
3. Ethernet networks used by fire alarm systems do not have to be redundant.
A. True
B. False
3.2
4. Enclosures or raceways may contain a single path when the length of the raceway does not exceed _________.
A. 6 ft.
B. 20 ft.
C. 25 ft.
D. 36 in.
A 12.3.6(1)
5. What is a network drop?
A. When communications on the pathway drops off the loop
B. The permissible signal loss on a circuit so that all devices may continue to operate
C. Where wiring is dropped from the suspended location down to a device such as a manual station or notification device
D. The end of a branch with an addressable device at the end
Feedback:
6. Class N network devices must be monitored for ground-fault.
A. True
B. False
7. The IEEE (Institute of Electrical and Electronics Engineers) requires ___________ at all ends of every cable.
A. grounding
B. terminations
C. isolation
D. power
8. Carbon monoxide detection is limited to dwelling locations as specified in NFPA 720 and as such, there are no requirements for CO detection specified in the Occupancy Chapters of NFPA 101.
A. grounding
B. terminations
C. isolation
D. power
Feedback: 9.12
9. An integrated system test plan must be developed within _____ of the adoption of NFPA 4.
A. 1 year
B. 3 months
C. 5 years
D. the next code cycle
23.6.3.2
10. The current version of the Life Safety Code is ________.
A. 2017
B. 2018
C. 2019
D. 2020
11. Data forwarding equipment’s purpose is to _____________.
A. send a signal to the monitoring station
B. originate signals which then are reported to the fire alarm control unit
C. receive data from data endpoints and retransmit further on the circuit
D. improve the power limited service of routers, hubs, switches, and similar devices
12. Material covering Class N circuits was added to chapter(s) __________ to ensure reliability of fire alarm systems.
A. 12
B. 23
C. 26
D. 29
E. Both A and B
F. B, C and D
What’s Wrong With This?
Can you complete the required wiring for a redundant pathway on the drawing shown here?
Click here to see the answer.
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