S95 Codes and Standards 2

Question 1

Which type of supervising station, as defined by NFPA 72, provides the highest level of service by maintaining a UL-listed facility with operators on duty at all times?

Accepted Answer

Central station

Answer

Central stations are UL-listed facilities staffed continuously and provide the highest standardized level of fire alarm monitoring service under NFPA 72 Chapter 26.

Question 2

Under NFPA 72, a central station operator must retransmit a fire alarm signal to the emergency communications center (fire department) within how many seconds of receipt?

Accepted Answer

90 seconds

Answer

NFPA 72 Section 26.6 requires central station operators to retransmit fire alarm signals to the fire department within 90 seconds of receipt.

Question 3

NFPA 72 requires the AHJ to be notified when a fire alarm system is out of service for more than how many hours within a 24-hour period?

Accepted Answer

4 hours

Answer

Per NFPA 72 Section 10.19.1, the AHJ must be notified when a fire alarm system is out of service for more than 4 hours in any 24-hour period.

Question 4

Which UL standard specifically establishes listing requirements for central station alarm services that supervise fire alarm systems?

Accepted Answer

UL 827

Answer

UL 827 (Standard for Central-Station Alarm Services) defines listing requirements for central stations that monitor fire alarm and other protective signaling systems.

Question 5

What is the primary role of NFPA 101 (Life Safety Code) in relation to fire alarm systems?

Accepted Answer

Establishing occupancy-based requirements that trigger mandatory fire alarm installation

Answer

NFPA 101 uses occupancy type and building characteristics to determine when a fire alarm system is required, while NFPA 72 governs how that system must be designed and installed.

(S95) Supervision of Fire Alarm System Practice Test

(S95) Supervision of Fire Alarm System Practice Test

S95 Codes and Standards 2