Mississippi Underground Utilities License Exam

The official exam bulletin is published and maintained by PSI. Bulletin content (subjects covered in the exam), time allowed and passing score are detailed in this document. Direct links to bulletin PDFs change regularly. Always set your “FAVORITE” or “BOOKMARK” to the landing page we have linked above. Candidates should always review the current exam information on the PSI website before submitting their license application.

In addition to the Mississippi trade-specific examination, you are required to pass the Law & Business Management Exam offered by PSI unless waived through reciprocity.

Code of Federal Regulations, 29 CFR Part 1926 (OSHA), GPO [or] (OSHA) Selections by PSI, 2013

Installation Guide for Ductile Iron Pipe, 2021 (older versions superceded), DIPRA

Concrete Pipe and Box Culvert Installation Manual (mobile-friendly file), 2019 (previous versions superseded), ACPA

Pipe and Excavation Contracting, Revised Edition, 2011, Dave Roberts

Mississippi Regulation of Excavation, Chapter 13 Regulation of Excavations Near Underground Utility Facilities

ASME B31.8: Gas Transmission and Distribution Piping Systems, 2018, ASME

Pipe Welding Procedures, 2nd Edition, 2003, Hoobasarl Rampaul

An exam study guide is currently NOT AVAILABLE

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