Construction Trade Exam Research Area

(P-1) Unlimited Plumbing Contractor

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Connecticut Department of Consumer Protection
Occupational & Professional Licensing Division

165 Capitol Ave.
Hartford, CT  06106
(860) 713-6100
Licensing Site

Exam Administrator

PSI Licensure : Certification
3210 E. Tropicana
Las Vegas, NV 89121
Phone: (800) 733-9267
Candidate Information Web Page

Exam Type


Exam Content

Subject Areas# of
General Plumbing Regulations 4
Gas Systems 9
Cleanouts 4
Fixtures and Equipment 5
Water Heaters 2
Piping, Valves, Controls 3
Water Supply 6
Hangers and Supports 3
Drain, Waste, and Vent 14
Backflow 3
Traps and Interceptors 4
Developed Length 2
Isometric Analysis 9
Joints and Connections 3
Safety and Excavation 6
Water Treatment 3

Total number of test questions: 80
Time allowed (hours): 3.0
The state of Connecticut also requires that you take and pass a written Business Management exam for this trade.

Go to Business and Law Offering

Books Allowed in the Exam

1. International Plumbing Code - OR - International Plumbing Code Commentary, 2012 or 2015, ICC Buy at Amazon
2. NFPA 54: National Fuel Gas Code - OR -National Fuel Gas Code Handbook, 2012, NFPA Buy at Amazon
3. NFPA 58: Liquefied Petroleum Gas Code, 2014, NFPA Buy at Amazon
4. Code of Federal Regulations - 29 CFR Part 1926 (OSHA), GPO- OR - (OSHA) Selections by PSI, (latest amendments). Buy from Publisher
5. Water Processing - Residential, Commercial, Light-Industrial, 3rd Edition, 2000, Water Quality Association Buy at Amazon
6. NFPA 56: Standard for Fire and Explosion Prevention During Cleaning and Purging of Flammable Gas Piping Systems, 2017, NFPA Buy at Amazon

Books NOT Allowed in the Exam

1. Mathematics for Plumbers and Pipefitters, 8th Edition, 2012, Lee Smith. Buy at Amazon
2. Plumbing Design and Installation, 4th Edition, 2011, Les Ripka, ATP Buy at Amazon
Study materials are currently NOT available for this exam

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