Licensing Exams by Trade Name - Home Link

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 Bulletin Link

Exam Type


Exam Content

Subject Areas# of
Plumbing Fundamentals and Safety8
Materials, Uses and Specifications6
Traps, Interceptors and Backwater Valves4
Plumbing Fixtures, Fixture Fittings and Plumbing Appliances4
Water Supply Systems8
Backflow Prevention10
Drain, Waste and Vent Systems13
Gas Appliances and Piping40
Plumbing Mathematics7
Total number of test questions:
Time allowed (minutes):

Books Allowed in the Exam

National Standard Plumbing Code Illustrated, 2015, PHCC
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NFPA 54: National Fuel Gas Code, 2015, NFPA
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Mathematics for Plumbers and Pipefitters, 8th Edition, Lee Smith
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Any standard backflow text
Code of Federal Regulations, 29 CFR Part 1926 (OSHA), GPO [or] (OSHA) Selections by PSI
Buy from Publisher
Available Study Materials
NFPA Fire & Gas Standard
Practice Exam
$44.95 - $48.95

Files Contain sample exam questions for the NFPA book title(s) above highlighted (light green).  Pricing is based on the number of questions contained in the individual files shown on our order form.

A 15% discount applies when ordering TWO (2) OR MORE BOOK TITLES.

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