FDNY S95 Supervision of Fire Alarm Systems Exam –
200 Practice Questions with Answers & Explanations
(COF Prep 2026)
Ace the FDNY S95 Certificate of Fitness Exam! 200 practice questions with verified
answers and detailed explanations covering FACP, NFPA 72, alarm/trouble/supervisory
signals, smoke detectors, testing schedules, and NYC Fire Code requirements. Download
now and pass first try!
Table of Contents:
Section 1: Supervision & S95 Responsibilities (Questions 1–25)
Section 2: Fire Alarm System Components & FACP (Questions 26–55)
Section 3: Alarm, Supervisory & Trouble Signals (Questions 56–80)
Section 4: Initiating Devices – Smoke Detectors, Heat Detectors, Pull Stations (Questions 81–110)
Section 5: Notification Appliances & Power Supplies (Questions 111–130)
Section 6: Sprinkler System Supervision (Questions 131–150)
Section 7: Testing, Inspection & Maintenance Schedules (Questions 151–175)
Section 8: Log Book, Recordkeeping & Impairments (Questions 176–200)
Includes: Answer Key with Detailed Explanations for Every Question
Section 1: Supervision & S95 Responsibilities (Questions 1-25)
1. What is the primary purpose of a fire alarm system?
A. To monitor building temperature
B. To alert occupants of a fire
,C. To extinguish fires automatically
D. To replace fire drills
Answer: B. To alert occupants of a fire
Explanation: The main purpose of a fire alarm system is to alert building occupants and
emergency personnel of a fire. Fire alarm systems do not extinguish fires automatically—
that is the function of sprinkler and suppression systems .
2. Who is responsible for supervising fire alarm systems in a building that does not
require a Fire & Life Safety Director?
A. Building owner
B. FDNY Inspector
C. Certificate of Fitness holder (S-95)
D. Firefighter
Answer: C. Certificate of Fitness holder (S-95)
Explanation: The Certificate of Fitness holder (S-95) supervises the fire alarm system per
FDNY regulations. An S-95 C of F is required when there is no FLSD or F-80 C of F holder
on the premises .
3. How often must a Certificate of Fitness holder visually inspect the fire alarm
control panel?
A. Weekly
B. Daily
C. Monthly
D. Annually
,Answer: B. Daily
Explanation: Daily visual inspection of the Fire Alarm Control Panel has been the industrial
practice and is highly recommended by the Fire Department. The purpose is to detect
defective components or abnormalities .
4. The S-95 Certificate of Fitness is a:
A. General certificate valid citywide
B. Premises-related certificate (specific to location)
C. Fire department certification for firefighters
D. State-issued license
Answer: B. Premises-related certificate (specific to location)
Explanation: The S-95 Certificate of Fitness is premises-related. This means the holder's
responsibility is only for the premises where the certificate was obtained, and they are
prohibited from supervising systems in multiple locations .
5. What is the minimum age requirement to apply for an FDNY S-95 Certificate of
Fitness?
A. 16 years old
B. 18 years old
C. 21 years old
D. 25 years old
Answer: B. 18 years old
Explanation: Applicants for the S-95 Certificate of Fitness must be at least 18 years of age .
, 6. An S-95 Certificate of Fitness is valid for how long?
A. One year
B. Two years
C. Three years
D. Five years
Answer: C. Three years
Explanation: The S-95 Certificate of Fitness must be renewed every three years . The
renewal fee is $15 .
7. When must the S-95 holder notify the FDNY that a fire protection system is out of
service?
A. Immediately
B. Within 4 hours
C. Within 8 hours
D. Within 24 hours
Answer: A. Immediately
Explanation: The FDNY must be notified promptly if a fire protection system is out of service
. This is a critical responsibility to ensure life safety.
8. Which of the following is NOT a responsibility of the S-95 Certificate of Fitness
holder?
A. Daily visual inspection of the FACP
B. Maintaining the fire alarm log book
C. Performing annual sprinkler system testing
D. Notifying the FDNY of system impairments
200 Practice Questions with Answers & Explanations
(COF Prep 2026)
Ace the FDNY S95 Certificate of Fitness Exam! 200 practice questions with verified
answers and detailed explanations covering FACP, NFPA 72, alarm/trouble/supervisory
signals, smoke detectors, testing schedules, and NYC Fire Code requirements. Download
now and pass first try!
Table of Contents:
Section 1: Supervision & S95 Responsibilities (Questions 1–25)
Section 2: Fire Alarm System Components & FACP (Questions 26–55)
Section 3: Alarm, Supervisory & Trouble Signals (Questions 56–80)
Section 4: Initiating Devices – Smoke Detectors, Heat Detectors, Pull Stations (Questions 81–110)
Section 5: Notification Appliances & Power Supplies (Questions 111–130)
Section 6: Sprinkler System Supervision (Questions 131–150)
Section 7: Testing, Inspection & Maintenance Schedules (Questions 151–175)
Section 8: Log Book, Recordkeeping & Impairments (Questions 176–200)
Includes: Answer Key with Detailed Explanations for Every Question
Section 1: Supervision & S95 Responsibilities (Questions 1-25)
1. What is the primary purpose of a fire alarm system?
A. To monitor building temperature
B. To alert occupants of a fire
,C. To extinguish fires automatically
D. To replace fire drills
Answer: B. To alert occupants of a fire
Explanation: The main purpose of a fire alarm system is to alert building occupants and
emergency personnel of a fire. Fire alarm systems do not extinguish fires automatically—
that is the function of sprinkler and suppression systems .
2. Who is responsible for supervising fire alarm systems in a building that does not
require a Fire & Life Safety Director?
A. Building owner
B. FDNY Inspector
C. Certificate of Fitness holder (S-95)
D. Firefighter
Answer: C. Certificate of Fitness holder (S-95)
Explanation: The Certificate of Fitness holder (S-95) supervises the fire alarm system per
FDNY regulations. An S-95 C of F is required when there is no FLSD or F-80 C of F holder
on the premises .
3. How often must a Certificate of Fitness holder visually inspect the fire alarm
control panel?
A. Weekly
B. Daily
C. Monthly
D. Annually
,Answer: B. Daily
Explanation: Daily visual inspection of the Fire Alarm Control Panel has been the industrial
practice and is highly recommended by the Fire Department. The purpose is to detect
defective components or abnormalities .
4. The S-95 Certificate of Fitness is a:
A. General certificate valid citywide
B. Premises-related certificate (specific to location)
C. Fire department certification for firefighters
D. State-issued license
Answer: B. Premises-related certificate (specific to location)
Explanation: The S-95 Certificate of Fitness is premises-related. This means the holder's
responsibility is only for the premises where the certificate was obtained, and they are
prohibited from supervising systems in multiple locations .
5. What is the minimum age requirement to apply for an FDNY S-95 Certificate of
Fitness?
A. 16 years old
B. 18 years old
C. 21 years old
D. 25 years old
Answer: B. 18 years old
Explanation: Applicants for the S-95 Certificate of Fitness must be at least 18 years of age .
, 6. An S-95 Certificate of Fitness is valid for how long?
A. One year
B. Two years
C. Three years
D. Five years
Answer: C. Three years
Explanation: The S-95 Certificate of Fitness must be renewed every three years . The
renewal fee is $15 .
7. When must the S-95 holder notify the FDNY that a fire protection system is out of
service?
A. Immediately
B. Within 4 hours
C. Within 8 hours
D. Within 24 hours
Answer: A. Immediately
Explanation: The FDNY must be notified promptly if a fire protection system is out of service
. This is a critical responsibility to ensure life safety.
8. Which of the following is NOT a responsibility of the S-95 Certificate of Fitness
holder?
A. Daily visual inspection of the FACP
B. Maintaining the fire alarm log book
C. Performing annual sprinkler system testing
D. Notifying the FDNY of system impairments
