Construction Trade Exam Research Area

Journeyman 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.
We do not offer study materials for this trade / license

Some Maryland specialty trades will not be offered because of overpriced, non-standardized, proprietary book titles that can only be used for licenses in this jurisdiction

Return to the Maryland State Page

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