NFPA 79 Industrial Machinery Electrical
Standard Questions And Correct Answers
(Verified Answers) Plus Rationales 2026 Q&A |
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1. What is the primary purpose of NFPA 79?
A. To regulate building electrical installations
B. To provide electrical safety requirements for industrial
machinery
C. To establish fire alarm system standards
D. To govern utility power distribution systems
Answer: B
NFPA 79 is specifically focused on safeguarding persons,
equipment, and property from electrical hazards arising from the
use of industrial machinery.
2. NFPA 79 primarily applies to which type of equipment?
A. Residential appliances
B. Office electronics
C. Industrial machinery operating at 600 volts or less
, D. Utility-owned substations
Answer: C
The standard covers industrial machinery electrical equipment
operating at nominal voltages of 600 volts or less.
3. Which organization publishes NFPA 79?
A. IEEE
B. OSHA
C. National Fire Protection Association
D. Underwriters Laboratories
Answer: C
NFPA 79 is published and maintained by the National Fire
Protection Association.
4. NFPA 79 is most closely aligned with which other major electrical
standard?
A. IEC 60204-1
B. NEC Article 250
C. ISO 9001
D. ASME Boiler Code
Answer: A
NFPA 79 closely aligns with IEC 60204-1 to promote harmonization
between North American and international machinery standards.
,5. What is the maximum nominal voltage covered by NFPA 79?
A. 120 V
B. 240 V
C. 480 V
D. 600 V
Answer: D
NFPA 79 applies to machinery electrical equipment operating at
nominal voltages of 600 volts or less.
6. Which of the following is considered industrial machinery under
NFPA 79?
A. Household washing machines
B. Computer servers
C. Packaging and processing equipment
D. Portable extension cords
Answer: C
Industrial machinery includes equipment used for manufacturing,
processing, and packaging operations.
7. What is the primary focus of NFPA 79 regarding personnel safety?
A. Ergonomics
B. Electrical shock and fire prevention
C. Noise exposure
, D. Chemical handling
Answer: B
The standard emphasizes reducing the risk of electrical shock, fire,
and related hazards.
8. Which section of NFPA 79 addresses risk assessment?
A. Chapter 1
B. Chapter 4
C. Chapter 6
D. Chapter 10
Answer: B
Risk assessment requirements are addressed early in the standard
to identify and mitigate hazards.
9. Who is responsible for performing the machinery risk assessment?
A. The local authority having jurisdiction
B. The equipment operator
C. The machine builder or integrator
D. The utility company
Answer: C
NFPA 79 assigns responsibility for risk assessment to the machine
builder or system integrator.
Standard Questions And Correct Answers
(Verified Answers) Plus Rationales 2026 Q&A |
Instant Download Pdf
1. What is the primary purpose of NFPA 79?
A. To regulate building electrical installations
B. To provide electrical safety requirements for industrial
machinery
C. To establish fire alarm system standards
D. To govern utility power distribution systems
Answer: B
NFPA 79 is specifically focused on safeguarding persons,
equipment, and property from electrical hazards arising from the
use of industrial machinery.
2. NFPA 79 primarily applies to which type of equipment?
A. Residential appliances
B. Office electronics
C. Industrial machinery operating at 600 volts or less
, D. Utility-owned substations
Answer: C
The standard covers industrial machinery electrical equipment
operating at nominal voltages of 600 volts or less.
3. Which organization publishes NFPA 79?
A. IEEE
B. OSHA
C. National Fire Protection Association
D. Underwriters Laboratories
Answer: C
NFPA 79 is published and maintained by the National Fire
Protection Association.
4. NFPA 79 is most closely aligned with which other major electrical
standard?
A. IEC 60204-1
B. NEC Article 250
C. ISO 9001
D. ASME Boiler Code
Answer: A
NFPA 79 closely aligns with IEC 60204-1 to promote harmonization
between North American and international machinery standards.
,5. What is the maximum nominal voltage covered by NFPA 79?
A. 120 V
B. 240 V
C. 480 V
D. 600 V
Answer: D
NFPA 79 applies to machinery electrical equipment operating at
nominal voltages of 600 volts or less.
6. Which of the following is considered industrial machinery under
NFPA 79?
A. Household washing machines
B. Computer servers
C. Packaging and processing equipment
D. Portable extension cords
Answer: C
Industrial machinery includes equipment used for manufacturing,
processing, and packaging operations.
7. What is the primary focus of NFPA 79 regarding personnel safety?
A. Ergonomics
B. Electrical shock and fire prevention
C. Noise exposure
, D. Chemical handling
Answer: B
The standard emphasizes reducing the risk of electrical shock, fire,
and related hazards.
8. Which section of NFPA 79 addresses risk assessment?
A. Chapter 1
B. Chapter 4
C. Chapter 6
D. Chapter 10
Answer: B
Risk assessment requirements are addressed early in the standard
to identify and mitigate hazards.
9. Who is responsible for performing the machinery risk assessment?
A. The local authority having jurisdiction
B. The equipment operator
C. The machine builder or integrator
D. The utility company
Answer: C
NFPA 79 assigns responsibility for risk assessment to the machine
builder or system integrator.
