Construction Trade Exam Research Area

Master Natural Gas Fitter

Apply for the License

Maryland State Board of Plumbing
500 N. Calvert St., Room 302
Baltimore, MD  21202
Phone: (410) 230-6314
Contractor Licensing Web Site

Exam Administrator

PSI Licensure: Certification
3210 E. Tropicana
Las Vegas, NV 89121
Phone: (800) 733-9267
Candidate Information Web Page

Exam Type


Exam Content

Subject Areas # of
General Piping 15
Pipe Sizing / Math 10
Chimney and Flues 5
Combustion 5
Appliances 5

Total number of test questions: 40
Time allowed (minutes): 90


Books Allowed in the Exam

1. Mathematics for Plumbers and Pipefitters, 8th Edition, Lee Smith Buy at Amazon
2. NFPA 54: National Fuel Gas Code, 2012 or 2015, NFPA Buy at Amazon
3. NFPA 58: Liquefied Petroleum Gas Code, 2011 or 2014, NFPA Buy at Amazon
4. Pipe Fitter's and Pipe Welder's Handbook, Revised Edition, 1984, Thomas W. Frankland Buy at Amazon
Note: Either MATHPO4 or Pipe Fitters can be used
as general reference for math items.

Additional References
(used in our sample questions)

1. ASSE Series 5000: Professional Qualifications Standard for Backflow Prevention Assembly Testers, Repairs, and Surveyors, 2009, ASSE Buy from Publisher
Study materials are currently NOT available for this exam

Check this page again at a later time.  
Refresh (F5 on your keyboard) to see current info.

Return to the Maryland State Page

Copyright Notice