Georgia Master Plumber Class I (Restricted) - Online Exam Prep Course

Georgia Master Plumber Class I (Restricted) - Online Exam Prep Course

If you’re preparing for the Georgia Master Plumber Class I (Restricted) license exam, your study plan needs to cover more than just code lookups. This online exam prep course is designed to help you review the core areas the state tests, strengthen real-world decision-making, and build the pace and endurance needed for a long, two-part exam session.

The Georgia Division of Master and Journeyman Plumbers offers three license exams: Journeyman Plumber, Master Plumber Class I (Restricted), and Master Plumber Class II (Unrestricted). This course focuses on Master Plumber Class I (Restricted) so you can prepare for the responsibilities and technical scope of the restricted master level.

Exam Details

• Licensing board: Georgia Construction Industry Licensing Board – Division of Master and Journeyman Plumbers
• Testing method: Computer-based exam at PSI Test Centers
• Scored questions (Master Class I): 120
• Additional pre-test questions (Master Class I): 24
• Total questions presented (Master Class I): 144
• Time limit (Master Class I): 7 hours total
• Exam format: Administered in 2 parts (3.5 hours for Part 1, break, then 3.5 hours for Part 2)
• Passing requirement: Final scaled score of 70

Closed Book Test

The Georgia Master Plumber Class I (Restricted) exam is a closed-book exam. The official Georgia plumbing exam reference guidance states that only the Journeyman Plumber exam is open-book, and that for all other plumbing exams the listed reference materials may not be used during the examination.

Licensing Steps

1. Choose the correct exam: Select Master Plumber Class I (Restricted) based on the license level you’re applying for.
2. Submit your exam application: Candidates may apply online through PSI’s Georgia Construction portal or submit the paper application available through the PSI program site.
3. Wait for approval: PSI confirms receipt of your application. If your application is approved by the Board, PSI sends scheduling instructions.
4. Schedule your exam: After approval, schedule your appointment through PSI (online or by phone) at an authorized PSI Test Center.
5. Take the exam and receive your score report: Results are provided as a printed score report after testing.

State Requirements

Georgia plumber licensing is regulated by the Georgia Construction Industry Licensing Board – Division of Master and Journeyman Plumbers under the Georgia Secretary of State’s Professional Licensing Boards Division. Eligibility standards, application requirements, and exam administration rules are set by the Division and published through official Board and PSI materials.

Reference Books

Even though the Master Plumber Class I exam is closed-book, Georgia publishes a “Suggested Reference List” used to develop the exam content. The following references are included on the official suggested list for Master and Journeyman Plumbers (and are commonly used for study):

• The Americans with Disabilities Act (ADA) – Your Responsibilities as an Employer (current), EEOC
  Employer responsibility and compliance concepts referenced on the Georgia suggested list.
• Contractors Guide to Business, Law, and Project Management – Georgia Construction Industry Licensing Board, 5th Edition (NASCLA)
  Business, law, and project management reference included on the Georgia suggested list.
• 2018 Georgia Gas Code (2018 International Fuel Gas Code) with Georgia amendments OR 2024 Georgia Gas Code (2024 International Fuel Gas Code) with 2024 Georgia amendments
  Fuel gas code references listed for study; Georgia notes an exam update beginning May 1, 2026.
• 2018 Georgia Plumbing Code (2018 International Plumbing Code) with Georgia amendments OR 2024 Georgia Plumbing Code (2024 International Plumbing Code) with 2024 Georgia amendments
  Plumbing code references listed for study; Georgia notes an exam update beginning May 1, 2026.
• Mathematics for Plumbers and Pipefitters, 2013, 8th Edition (Lee Smith)
  Math reference supporting job calculations and measurement topics.
• Plumbing Technology, Design and Installation, 2008, 4th Edition (Smith and Joyce)
  Trade reference used for plumbing systems and installation concepts.
• ADA Standards for Accessible Design, 2010 (rev 1/15)
  Accessibility design standards listed for study on the Georgia suggested list.
• Excavator Manual, GA 811, 2025 Edition
  Georgia 811 and safe excavation/utility location reference listed for study.
• Employer’s Tax Guide, Circular E, 2025 or 2026
  Payroll and employer tax guidance listed for study.
• Code of Federal Regulations, Title 29, Part 1926 (OSHA) (Latest Available Edition)
  Construction safety standards listed for study for Master Class I and Master Class II candidates.

Test Information and Study Materials

• Plan for a long exam day: Master Class I testing is administered in two parts with 7 total hours (3.5 hours per part), so stamina and pacing matter.
• Study for understanding—not just memory: Official guidance notes some questions are based on field experience and knowledge of trade practices, so preparation should include real-world application.
• Know the code update timing: Official Georgia plumbing exam materials note that beginning May 1, 2026, the exam is based only on the 2024 Georgia Plumbing Code and 2024 Georgia Gas Code (each with Georgia amendments).
• Closed-book strategy: Because references are not allowed in the exam room for Master Class I, successful prep relies on consistent review, concept mastery, and practice under time.

How 1 Exam Prep Helps You Reach Your Goal

1 Exam Prep helps Georgia Master Plumber Class I (Restricted) candidates prepare with a structured, practice-oriented approach that supports real exam readiness. We focus on organized study guidance, trade-focused review, and confidence-building preparation routines—so you can prepare consistently without guesswork.

• Organized study guidance: A clearer plan for covering codes, safety, business/legal concepts, and core plumbing knowledge areas.
• Practice-oriented preparation: Reinforce learning through repetition and application so you’re training for exam-style questions—not just reading.
• Pacing and endurance support: Build habits for long-form testing so you can stay focused through a two-part exam session.
• Confidence-building structure: A steady routine that helps reduce overwhelm and supports consistent progress toward exam day.

FAQ

Is the Georgia Master Plumber Class I (Restricted) exam open book?

No. Official Georgia exam reference guidance states the Journeyman Plumber exam is open-book format, and for all other plumbing exams (including Master Class I), the listed references may not be used during the examination.

How many questions are on the Master Plumber Class I exam?

The PSI candidate bulletin lists 120 scored questions plus 24 pre-test questions, for a total of 144 questions presented.

How long is the Master Plumber Class I exam?

The PSI candidate bulletin states you have 7 hours total, administered in two parts (3.5 hours for Part 1, break, then 3.5 hours for Part 2).

What score do I need to pass?

The PSI candidate bulletin explains scoring is scaled so the minimum passing standard is a final scaled score of 70.

Do exam questions come only from the reference books?

No. Official Georgia guidance notes that some test questions are based on field experience and knowledge of trade practices, so questions are not limited only to the suggested references.

What code edition is the exam based on in 2026?

Official Georgia plumbing exam materials note that beginning May 1, 2026, the exam is based only on the 2024 Georgia Plumbing Code and the 2024 Georgia Gas Code (each with Georgia amendments).