The North Carolina Plumbing Class I Contractor License is the highest plumbing classification in the state, allowing contractors to perform residential, commercial, and industrial plumbing work within Class I project limitations.
The exam is code-driven and regulation-focused, requiring mastery of plumbing systems, fuel gas compliance, residential provisions, and North Carolina licensing laws. This book package includes the required references for the trade portion of the Plumbing Class I Contractor examination.
North Carolina Administration Code and Policies, 2018 Edition
North Carolina Plumbing Code, 2018 Edition
North Carolina Fuel Gas Code, 2018 Edition
North Carolina Residential Code, 2018 Edition
NC Board’s Laws & Rules – 2026 Edition
The Plumbing Class I Contractor trade exam focuses on:
✔ Plumbing installation standards and system design
✔ Commercial and residential plumbing code requirements
✔ Fuel gas system compliance
✔ Inspection and permitting regulations
✔ North Carolina administrative rules and licensing laws
This is a comprehensive, code-based exam that evaluates your ability to oversee plumbing work at the contractor level.
To prepare for the Business & Law portion of the North Carolina contractor exam, you must obtain:
Business & Project Management for Contractors (6th or 7th Edition)
👉 This book is NOT included in this package.
👉 It can only be obtained by directly contacting the North Carolina State Licensing Board.
This reference is mandatory for the Business & Law examination and must be secured separately.
Plumbers upgrading to Class I Contractor licensure
Contractors expanding into larger residential and commercial projects
Business owners seeking higher project limitations
Candidates preparing to pass both trade and business exams
The exam is open book — but passing depends on how efficiently you can navigate code sections, interpret requirements, and apply regulations.
With this package, you’ll have:
The required North Carolina plumbing and fuel gas codes
Residential and commercial compliance references
The Board’s laws and administrative rules
The essential materials needed for exam-day success
Make sure you’re studying from the correct editions required for testing and walk into your Plumbing Class I Contractor exam fully prepared.