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Free NC Plumbing Contractor Exam Prep

North Carolina Plumbing Contractor License Exam (Board of Examiners/PSI)

Prepare for the NC Plumbing Contractor exam without spending hundreds on expensive prep courses. Free study guides, practice questions, flashcards, and related exam resources.

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Your Study Path

North Carolina Plumber License License: Complete Roadmap

Follow this path to organize your licensing and exam preparation

1

IPC Fundamentals & DrainageYou are here

Master IPC-based code structure, DFU calculations, and drainage pipe sizing.

25
hours
2

Venting & Water Supply

Focus on vent sizing, wet venting, backflow prevention, and water supply calculations.

25
hours
3

Gas Piping & Fixtures

Cover gas pipe sizing, BTUH calculations, fixture installation, and contractor responsibilities.

20
hours
4

NC Amendments & Timed Practice

Review NC-specific amendments and complete full timed simulation exams.

20
hours
Estimated total study time
90 hours
That's about 9 weeks at 10 hours/week

Can You Take the NC Plumbing Contractor Exam?

Check if you meet the basic eligibility requirements

Age
Education

NC Plumbing Contractor Quick Facts

Time to Get Licensed

8-12 weeks for most candidates

From start to license in hand

Exam Provider

PSI

In-Person Only
Schedule Your Exam

Retake Policy

Contact the NC Board of Examiners for retake requirements and waiting periods.

Total Cost Breakdown

Exam Fee$25
Total Estimated Cost$225-$295 before optional prep materials
Why Choose Us

Free NC Plumbing Contractor Prep Tools

Reported exam pass rate: ~50%. Check the exam sponsor for the latest official figure.

100 Practice Questions

NC-specific questions based on the NC State Plumbing Code (IPC-based)

AI-Powered Learning

Get contextual hints and wrong-answer explanations powered by AI

2026 Updated

Aligned to NC's current State Plumbing Code and Board rules

Free Access

All 100 practice questions are free — no account required

Compare:
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What You'll Study

10 chapters covering the exam topics in this guide

NC Plumbing Contractor Exam Details

North Carolina Plumbing Contractor License Exam (Board of Examiners/PSI)

Administered by NC Board of Examiners of Plumbing, Heating & Fire Sprinkler Contractors

Official Source
70%
Passing Score
~100
Questions
3-4
Hours
$25 exam + $100 license fee
Exam Fee
Study time: 8-12 weeks
Prerequisites: Documented plumbing experience under a licensed contractor

What's Included

10 Chapters

Complete exam coverage

Practice Quizzes

With detailed explanations

Free to Start

No credit card required

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NC Plumbing Contractor Exam FAQ

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