S95 Notification Appliances

Question 1

Per NFPA 72, what is the minimum candela rating for a wall-mounted strobe installed in a corridor?

Accepted Answer

15 cd

Answer

NFPA 72 requires a minimum of 15 candela for wall-mounted strobes installed in corridors, which is the lowest minimum candela tier.

Question 2

Strobe synchronization is required by NFPA 72 when more than how many strobes are visible from a single point?

Accepted Answer

One

Answer

When more than one strobe is visible from a single location (i.e., two or more are in view), NFPA 72 requires all strobes in that field of view to be synchronized.

Question 3

What is the standard emergency evacuation signal required by NFPA 72 for audible notification appliances?

Accepted Answer

Temporal 3 pattern

Answer

NFPA 72 mandates the temporal 3 (T-3) pattern as the standard emergency evacuation signal, consisting of three equal pulses followed by a pause.

Question 4

Per NFPA 72, audible notification appliances must produce a sound level at least how many dB above the average ambient sound level?

Accepted Answer

15 dB

Answer

NFPA 72 requires audible appliances to produce a minimum of 15 dB above the average ambient sound level to ensure the alarm is clearly audible.

Question 5

Wall-mounted notification appliances must be installed at a height between which of the following ranges above the finished floor per NFPA 72?

Accepted Answer

80–96 inches AFF

Answer

NFPA 72 requires wall-mounted notification appliances to be mounted between 80 inches (6'-8") and 96 inches (8'-0") above the finished floor.

(S95) Supervision of Fire Alarm System Practice Test

(S95) Supervision of Fire Alarm System Practice Test

S95 Notification Appliances