Construction Trade Research Area

Journeyman Plumber / 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
Plumbing Fundamentals and Safety 8
Materials, Uses and Specifications 6
Traps, Interceptors and Backwater Valves 4
Plumbing Fixtures, Fixture Fittings and Plumbing Appliances 4
Water Supply Systems 8
Backflow Prevention 10
Drain, Waste and Vent Systems 13
Gas Appliances and Piping 40
Plumbing Mathematics 7

Total Number of Test Questions: 100
Time Allowed (minutes): 240


Books Allowed in the Exam


National Standard Plumbing Code, 2012, PHCC.

Buy from Publisher
2. NFPA 54: National Fuel Gas Code, 2012, NFPA. NFPA Link
3. Mathematics for Plumbers and Pipefitters, 8th Edition, 2012, Lee Smith, Bartholomew D'Arcangelo, Benedict D'Arcangelo, J. Russell Guest. Buy at Amazon
4. Any standard backflow text  
5. Code of Federal Regulations - 29 CFR Part 1926 (OSHA), Revised as of 2013 - OR - (OSHA) Excerpts as of 2013 by PSI. Buy from PSI

Our Study System   How We Write Our Questions

Recommended Study Materials

Maryland • Journeyman Plumber / Gas Fitter
Product Name Value  
Comprehensive Tutorial price More Information
Plumbing Math Tutorial price More Information
Practice Tests ( 3 ) price More Information

Recommended DVD Study Courses

DVD Title Price  
Plumbing Math price Link to disc description
OSHA (2 disc set) price Link to disc description
Go to OSHA Resources

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The Bundle

Includes Tutorial(s) and
Practice Tests listed above

The Package

Includes Tutorial(s), Practice Tests,
and each DVD Study Course listed above
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