NFPA 99 Health Care Facilities Code Exam
With Actual Questions & Verified
Answers,Plus Rationales/Expert Verified
For Guaranteed Pass /2026 /Latest
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1. Which NFPA 99 Class of electrical equipment applies to patient
care areas where failure could cause death?
A. Class 1
B. Class 2
C. Class 3
D. Class 4
A. Class 1
Class 1 equipment is essential to patient care and failure could
result in death or serious injury.
2. According to NFPA 99, what is the minimum clearance required
between medical gas piping and combustible materials?
A. 6 inches
B. 12 inches
C. 18 inches
D. 24 inches
B. 12 inches
NFPA 99 requires a minimum of 12 inches clearance from
combustible materials to reduce fire risk.
, 3. Which of the following areas is considered a “critical care area”
under NFPA 99?
A. Waiting room
B. Operating room
C. Cafeteria
D. Administrative office
B. Operating room
Critical care areas include operating rooms, intensive care units,
and areas where life-support equipment is used.
4. The maximum allowable oxygen concentration in a general
patient area is:
A. 21%
B. 23%
C. 25%
D. 30%
B. 23%
NFPA 99 limits oxygen-enriched atmospheres to 23% in general
patient areas to prevent fire hazards.
5. What is the required frequency of testing for medical gas alarm
systems?
A. Monthly
B. Quarterly
C. Semi-annually
D. Annually
A. Monthly
Medical gas alarm systems must be tested monthly to ensure
proper function and patient safety.
, 6. Which NFPA 99 category addresses infection control and
sanitation?
A. Category 1
B. Category 2
C. Category 3
D. Category 4
C. Category 3
Category 3 covers areas such as infection control, sanitation, and
environmental hygiene in healthcare facilities.
7. In patient care areas, what is the maximum voltage for isolated
power systems?
A. 120V
B. 240V
C. 480V
D. 600V
A. 120V
Isolated power systems in patient care areas typically use 120V to
reduce electrical hazards.
8. NFPA 99 requires that liquid oxygen systems in healthcare
facilities have:
A. Fire sprinklers
B. Safety relief devices
C. Alarm bells
D. Smoke detectors
B. Safety relief devices
Safety relief devices are necessary to prevent over-pressurization of
liquid oxygen systems.
, 9. Which of the following areas requires Class 1 electrical
equipment per NFPA 99?
A. Supply closet
B. Patient bedroom
C. MRI suite
D. Storage room
C. MRI suite
MRI suites are critical care areas where failure of electrical
equipment can cause serious injury, requiring Class 1 equipment.
10. The minimum wall separation for anesthetic gas pipelines
from other utilities is:
A. 1 inch
B. 2 inches
C. 3 inches
D. 6 inches
C. 3 inches
NFPA 99 requires a 3-inch separation between anesthetic gas
pipelines and other utilities to prevent interference or
contamination.
11. What type of fire extinguisher is recommended in oxygen-
enriched areas?
A. Water-based
B. Class A foam
C. CO2
D. Wet chemical
C. CO2
CO2 extinguishers are recommended because they do not react with
oxygen and reduce risk of ignition.
With Actual Questions & Verified
Answers,Plus Rationales/Expert Verified
For Guaranteed Pass /2026 /Latest
Update/Instant Download Pdf
1. Which NFPA 99 Class of electrical equipment applies to patient
care areas where failure could cause death?
A. Class 1
B. Class 2
C. Class 3
D. Class 4
A. Class 1
Class 1 equipment is essential to patient care and failure could
result in death or serious injury.
2. According to NFPA 99, what is the minimum clearance required
between medical gas piping and combustible materials?
A. 6 inches
B. 12 inches
C. 18 inches
D. 24 inches
B. 12 inches
NFPA 99 requires a minimum of 12 inches clearance from
combustible materials to reduce fire risk.
, 3. Which of the following areas is considered a “critical care area”
under NFPA 99?
A. Waiting room
B. Operating room
C. Cafeteria
D. Administrative office
B. Operating room
Critical care areas include operating rooms, intensive care units,
and areas where life-support equipment is used.
4. The maximum allowable oxygen concentration in a general
patient area is:
A. 21%
B. 23%
C. 25%
D. 30%
B. 23%
NFPA 99 limits oxygen-enriched atmospheres to 23% in general
patient areas to prevent fire hazards.
5. What is the required frequency of testing for medical gas alarm
systems?
A. Monthly
B. Quarterly
C. Semi-annually
D. Annually
A. Monthly
Medical gas alarm systems must be tested monthly to ensure
proper function and patient safety.
, 6. Which NFPA 99 category addresses infection control and
sanitation?
A. Category 1
B. Category 2
C. Category 3
D. Category 4
C. Category 3
Category 3 covers areas such as infection control, sanitation, and
environmental hygiene in healthcare facilities.
7. In patient care areas, what is the maximum voltage for isolated
power systems?
A. 120V
B. 240V
C. 480V
D. 600V
A. 120V
Isolated power systems in patient care areas typically use 120V to
reduce electrical hazards.
8. NFPA 99 requires that liquid oxygen systems in healthcare
facilities have:
A. Fire sprinklers
B. Safety relief devices
C. Alarm bells
D. Smoke detectors
B. Safety relief devices
Safety relief devices are necessary to prevent over-pressurization of
liquid oxygen systems.
, 9. Which of the following areas requires Class 1 electrical
equipment per NFPA 99?
A. Supply closet
B. Patient bedroom
C. MRI suite
D. Storage room
C. MRI suite
MRI suites are critical care areas where failure of electrical
equipment can cause serious injury, requiring Class 1 equipment.
10. The minimum wall separation for anesthetic gas pipelines
from other utilities is:
A. 1 inch
B. 2 inches
C. 3 inches
D. 6 inches
C. 3 inches
NFPA 99 requires a 3-inch separation between anesthetic gas
pipelines and other utilities to prevent interference or
contamination.
11. What type of fire extinguisher is recommended in oxygen-
enriched areas?
A. Water-based
B. Class A foam
C. CO2
D. Wet chemical
C. CO2
CO2 extinguishers are recommended because they do not react with
oxygen and reduce risk of ignition.
