Notification Appliances Flashcards

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

Answer: 15 cd

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

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

Answer: One

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.

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

Answer: Temporal 3 pattern

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

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

Answer: 15 dB

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.

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

Answer: 80–96 inches AFF

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

Which type of notification appliance is specifically required to provide emergency notification for building occupants with hearing impairments?

Answer: Visual strobe

Visual notification appliances (strobes) are required by both ADA and NFPA 72 to provide emergency notification for individuals who cannot perceive audible alarms.

In sleeping areas, NFPA 72 requires audible alarms to produce a minimum sound level of how many dB at the pillow?

Answer: 75 dB

NFPA 72 requires a minimum of 75 dB at the pillow level in sleeping areas to reliably awaken occupants during an alarm.