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New Jersey

Master Plumber

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New Jersey
Board of Examiners of Master Plumbers

124 Halsey Street
Newark, NJ 07101
Phone: (973) 504-6420
Exam Provider
PSI Services LLC
3210 E. Tropicana
Las Vegas, NV  89121
Phone:  (855) 340-3713
Exam Type
Exam Content
Subject Areas# of
General Knowledge7
Materials, Uses & Specifications17
Traps, Interceptors, & Backflow Prevention15
Plumbing Fixtures, Fixture Fittings & Plumbing Appliances13
Water Supply Systems12
Drains & Waste15
Specialty Plumbing4
Vent Systems10
Total number of test questions:
Time allowed (minutes):

In addition to the trade-specific examination, you are required to pass the New Jersey Business & Law exam offered by PSI.

Books Allowed in the Exam
National Standard Plumbing Code, 2018, PHCC
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Books NOT Allowed in the Exam
Mathematics for Plumbers and Pipefitters, 8th Edition, Lee Smith
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Code of Federal Regulations, 29 CFR Part 1926 (OSHA), GPO [or] (OSHA) Selections by PSI, 2013
Buy from PSI
Modern Plumbing, 7th Edition, E. Keith Blankenbaker
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Plumbing: Design and Installation, 4th Edition, Les Ripka
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Available Study Materials
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.

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