EXAM 2026/2027 | NFPA 54 & State
Amendments | Comprehensive
Practice Test | Verified Q&A | Pass
Guaranteed - A+ Graded
SECTION 1: MAINE FUEL GAS CODE & STATE
AMENDMENTS (25 Questions)
Q1: The State of Maine has adopted NFPA 54/ANSI Z223.1 as the Maine Fuel Gas Code with
amendments. What is the effective date for the current edition adopted by the Maine Fuel
Board?
A. January 1, 2023
B. Upon adoption by the Maine Legislature with specific state amendments [CORRECT]
C. Immediately upon NFPA publication
D. July 1 of the adoption year
Correct Answer: B
Rationale: Maine adopts NFPA 54 with specific state amendments through the Maine Fuel
Board rules. The code becomes effective upon formal adoption by the Maine Legislature and
publication in the Maine Revised Statutes, Title 32, Chapter 139, not automatically upon NFPA
publication. Reference: Maine Revised Statutes Title 32, §18112; NFPA 54 (2021/2024 edition
as adopted).
Q2: Which of the following is a MAINE-SPECIFIC AMENDMENT to NFPA 54 regarding gas
piping material in single-family dwellings?
A. CSST (Corrugated Stainless Steel Tubing) is prohibited statewide
B. Black iron pipe is required for all above-ground installations
C. CSST must be bonded in accordance with NFPA 70 (NEC) and Maine-specific bonding
requirements [CORRECT]
,D. Copper tubing is prohibited for fuel gas use
Correct Answer: C
Rationale: Maine requires CSST bonding per NFPA 70 and has specific amendments regarding
CSST installation, including direct bonding requirements and protection against lightning.
This is stricter than base NFPA 54 requirements. Reference: Maine Fuel Gas Code
Amendment to NFPA 54 Section 7.1.1; NFPA 54-2021 Section 7.1.1.
Q3: According to Maine amendments, who is authorized to perform gas piping work on
propane systems in the State of Maine?
A. Any licensed plumber
B. Only employees of propane dealers licensed by the Maine Fuel Board [CORRECT]
C. Homeowners on their own property without restriction
D. Any HVAC technician
Correct Answer: B
Rationale: Maine law restricts propane system installation, modification, and repair to
employees of propane dealers licensed by the Maine Fuel Board or holders of specific gas
technician licenses. This is a significant Maine-specific restriction beyond NFPA 54.
Reference: Maine Revised Statutes Title 32, §18111; Maine Fuel Board Rules Chapter 2.
Q4: What is the Maine Fuel Board's requirement for pressure testing of new gas piping
systems?
A. 10 psig for 10 minutes
B. 1.5 times working pressure but not less than 3 psig for 10 minutes
C. 1.5 times working pressure for 30 minutes with no perceptible drop [CORRECT]
D. 50 psig for 1 hour
Correct Answer: C
Rationale: Maine requires pressure testing at 1.5 times the maximum working pressure
(minimum 3 psig) for a duration of 30 minutes with no perceptible pressure drop. This
exceeds the base NFPA 54 requirement of 10 minutes. Reference: Maine Amendment to
NFPA 54 Section 8.1.1; NFPA 54-2021 Section 8.1.1.
Q5: In Maine, what is the minimum clearance required from a gas meter regulator vent to a
building opening (window, door, fresh air intake)?
,A. 3 feet horizontally
B. 3 feet horizontally, including above and below [CORRECT]
C. 12 inches horizontally
D. 10 feet in any direction
Correct Answer: B
Rationale: Maine follows NFPA 54 Section 5.6.7.3 requiring regulator vents to terminate at
least 3 feet horizontally from any building opening. This includes openings above and below
the vent termination point. Reference: NFPA 54-2021 Section 5.6.7.3; Maine Fuel Gas Code
Section 5.6.7.3.
Q6: Which Maine amendment applies to the installation of gas appliances in mobile homes?
A. Mobile home installations are prohibited
B. All mobile home gas systems must be inspected by the State Fire Marshal before
occupancy [CORRECT]
C. Mobile homes are exempt from NFPA 54
D. Only electric appliances are permitted in mobile homes
Correct Answer: B
Rationale: Maine requires inspection by the State Fire Marshal or authorized local inspector
for all fuel gas systems in mobile homes prior to occupancy. This is a Maine-specific
requirement beyond base NFPA 54. Reference: Maine Revised Statutes Title 32, §18114;
Maine Fuel Board Rules Chapter 5.
Q7: According to Maine amendments, what is required when installing a gas appliance in a
bedroom or bathroom?
A. No gas appliances are permitted in these locations
B. Direct vent appliances only, with specific Maine notification requirements [CORRECT]
C. Any vented appliance is permitted with standard clearances
D. Only electric appliances are allowed in bedrooms
Correct Answer: B
Rationale: Maine restricts gas appliances in bedrooms and bathrooms to direct vent (sealed
combustion) appliances only and requires specific notification to occupants regarding carbon
monoxide risks. Reference: Maine Amendment to NFPA 54 Section 9.1.9; NFPA 54-2021
Section 9.1.9.
, Q8: What is the Maine-specific requirement for underground plastic gas piping?
A. Plastic piping is prohibited for underground use
B. Tracer wire is required for all underground plastic piping, and specific depth requirements
apply [CORRECT]
C. Plastic piping may be used without tracer wire in residential applications
D. Only copper tubing is permitted underground
Correct Answer: B
Rationale: Maine requires tracer wire (minimum 14 AWG copper) for all underground plastic
gas piping to facilitate location, and minimum burial depth is 18 inches (deeper than some
jurisdictions). Reference: Maine Amendment to NFPA 54 Section 7.1.4; NFPA 54-2021 Section
7.1.4.
Q9: Under Maine Fuel Board regulations, how often must gas technicians renew their
licenses?
A. Every year
B. Every two years with continuing education requirements [CORRECT]
C. Every five years
D. Licenses do not expire
Correct Answer: B
Rationale: Maine requires gas technician licenses to be renewed every two years, including
completion of continuing education units (CEUs) as specified by the Maine Fuel Board.
Reference: Maine Fuel Board Rules Chapter 3, Section 3.4.
Q10: What Maine amendment applies to the termination height of gas vents above rooflines
in snow-load areas?
A. Standard 2-foot requirement applies statewide
B. Vents must terminate minimum 2 feet above roof plus additional height in designated
snow zones [CORRECT]
C. No additional height required beyond NFPA 54
D. Vents must terminate 5 feet above all roof penetrations
Correct Answer: B
Rationale: Maine requires gas vents to terminate at least 2 feet above the highest point of the
roof and additional height in areas with heavy snow loads (typically northern and western