Construction Trade Exam Research Area

North Carolina
Heating Group 1 - Class I
(Heating Wet Unlimited)

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North Carolina State Board of Examiners of
Plumbing, Heating, and Fire Sprinkler Contractors

1109 Dresser Court
Raleigh, NC 27609
Phone: (919) 875-3612
NC Board of Examiners

Exam Administrator

PSI Services, LLC
3210 E. Tropicana
Las Vegas, NV 89121
Phone:  (800) 733-9267
PSI Website

Exam Type


Exam Content

The North Carolina State Board of Examiners of Plumbing, Heating & Fire Sprinkler Contractors does not publish information about Exam Content.  This includes the total number of questions, the subject areas and the number of question for each subject area.  North Carolina General Statutes 87-21(b)(3) states that the Board, "shall give an examination designed to ascertain the technical and practical knowledge of the applicant concerning the analysis of plans and specifications, estimating costs, fundamentals of installation and design, codes, fire hazards, and related subjects."  According to 21 NCAC 50.0305, a grade of 70% is required to pass an exam.

You are allowed 4 hours to complete the Plumbing portion and 1.5 hours to complete the Business and Law portion of the exam.

Books Permitted in the Exam

1. North Carolina State Building Code: Administrative Code and Policies, 2012, ICC. Buy from Publisher
2. International Fuel Gas Code, 2012, ICC. Buy at Amazon
3. North Carolina Amendments to Fuel Gas Code, 2012, ICC. Doc Link
4. International Mechanical Code, 2012, ICC. Buy at Amazon
5. North Carolina Amendments to Mechanical Code, 2012, ICC. Doc Link
6. International Energy Conservation Code, 2012, ICC. Buy at Amazon
7. Laws and Rules, North Carolina General Statutes, Chapter 87, Article 2 and 21 North Carolina Administrative Code Chapter 50, Jan 2015. Doc Link
8. Business and Project Management for Contractors, 5th Edition, NASCLA. Buy at Amazon
9. Manual CS - Commercial Applications, Systems and Equipment, ACCA. Buy from Publisher
10. Manual J - Residential Load Calculations, 8th Edition, ACCA. Buy at Amazon
11. Manual N - Load Calculation for Commercial Summer and Winter Air Conditioning (Using Unitary Equipment), 5th Edition, ACCA. Buy at Amazon
12. Uniform Boiler and Pressure Vessel Act of North Carolina, North Carolina Department of Labor, Boiler and Pressure Vessel Division. Doc Link
The board will provide copies of reference materials at the examinations.  Applicants will not be allowed to bring any reference manuals into the exam site.

Recommended Study Materials

North Carolina • Heating Group 1 - Class I
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