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Journey Plumber / Gas Fitter

Apply for the License
Maryland State Board of Plumbing
500 N. Calvert St, Room 302
Baltimore, MD  21202
Phone: (410) 230-6231
Exam Provider
PSI Services LLC
3210 E. Tropicana Ave
Las Vegas, NV  89121
Phone:  (855) 746-8173
Exam Type
Exam Content
Topics# of
Plumbing Fundamentals & Safety8
Materials, Uses & Specifications6
Traps, Interceptors & Backwater Valves4
Plumbing Fixtures, Fixture Fittings & Plumbing Appliances4
Water Supply Systems8
Backflow Prevention10
Drain, Waste & Vent Systems13
Gas Appliances & Piping40
Plumbing Mathematics7
Total number of test questions:
Time allowed (minutes):
Books Allowed in the Exam
International Plumbing Code, 2018, ICC
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International Fuel Gas Code, 2018, ICC
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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, 2013
Buy from PSI
Available Study Materials
Download OSHA Guide
Discount policy
PSI OSHA Selections
Study Guide

Sample questions are based on the PSI publication titled “29 CFR PART 1926 Selections, as of June 2013” (highlighted in green above).

This file contains approx. 800 sample questions.

REMINDER:  PSI uses this book for many exams they offer.  Not all sections of this code will apply to your exam.

We also include a table showing the relationship between our questions and OSHA code sections.  Corrections to the original PSI publication are noted. The index/table is availble for veiwing before you purchnse from the button above.

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