Updated October 2026 | Connecticut Journeyman Plumber Exam Prep

Connecticut Journeyman Plumber Contractor Exam Prep

Connecticut P-2 Unlimited Journeyperson • PSI • 70 Questions • 150 Minutes

Prepare for the Connecticut Journeyman Plumber Exam with a practical study plan covering the International Plumbing Code, sanitary drainage, venting, water distribution, gas systems, plumbing fixtures, cleanouts, backflow prevention, isometric drawings, water treatment, and jobsite safety.

The official Connecticut license is the P-2 Unlimited Plumbing and Piping Journeyperson credential. It is regulated by the Connecticut Department of Consumer Protection (DCP) and the Plumbing and Piping Work Examining Board.

Connecticut's P-2 trade examination is administered by PSI Services LLC. The current PSI bulletin lists 70 questions with 150 minutes, or two hours and 30 minutes, allowed.

Candidates need a passing score of 70%, meaning at least 49 correct answers on the 70-question examination.

Unlike some states, Connecticut's P-2 test is open book. Candidates are responsible for bringing their own approved reference books to the testing center.

PSI permits approved references to be highlighted, underlined, annotated, and indexed before the examination. Permanent reference tabs are allowed, but temporary sticky-note tabs are not permitted.

You cannot write in the references during the examination. Loose papers and additional inserted materials are also prohibited.

Connecticut P-2 applicants generally need a completed registered apprenticeship or approved equivalent training involving 8,000 hours of on-the-job plumbing experience and 576 classroom hours.

The 2022 Connecticut State Building Code adopts the 2021 International Plumbing Code as part of its model-code framework. PSI's current P-2 bulletin permits the 2015, 2018, or 2021 International Plumbing Code editions, along with other specifically listed references.

Contractor Exam Preps offers the Connecticut Journeyman Plumber Ultimate Exam Prep Package, which includes the 2021 IPC, permanent tabs, a study guide with 750 practice questions, and an online course with plumbing code lessons and simulated examinations.

The Connecticut Journeyman Plumber Exam Prep Package is another option for candidates who want a printed codebook and study guide.

The store also offers a separate Journeyman Plumber Exam Study Guide for additional plumbing math, isometric analysis, code review, and practice questions.

Important licensing distinction: The P-2 credential is a journeyperson license, not an unlimited plumbing contractor license. Connecticut's separate P-1 Unlimited Plumbing Contractor classification requires additional qualification and examination requirements.

This guide explains the official P-2 examination, its sixteen categories, approved exam books, permanent-tab rules, licensing experience, six-week study plan, and the difference between P-2 and P-1 licensing.

CONNECTICUT P-2 • 70 QUESTIONS • 150 MINUTES • 49 TO PASS • OPEN BOOK
70

Official P-2 Exam Questions

49

Correct Answers Needed

2.5H

Examination Time Limit

8K

Required Practical Training Hours

Important Connecticut P-2 licensing and exam update: The P-2 Unlimited Journeyperson Plumber exam contains 70 questions, allows 150 minutes, and requires 49 correct answers to pass. It is open book, and you must bring your approved references. PSI allows permanent tabs and highlighting completed before testing but does not permit writing in references during the exam, loose papers, or temporary sticky-note tabs. Connecticut requires 8,000 practical training hours and 576 classroom hours through an approved apprenticeship or equivalent-training process. The P-2 journeyperson credential is separate from the P-1 Unlimited Plumbing Contractor license.

What Is a Connecticut P-2 Journeyman Plumber?

A Connecticut P-2 Journeyperson Plumber is a licensed plumbing professional qualified to perform unlimited plumbing and piping work while employed by a contractor properly licensed for that work.

The official designation is P-2 Unlimited Plumbing and Piping Journeyperson.

The license covers the broad plumbing and piping work defined under Connecticut law, subject to the licensee's employment and other legal requirements.

Typical responsibilities include installing, repairing, replacing, maintaining, and altering domestic water distribution, drainage, waste, venting, gas piping, fixtures, and related plumbing systems.

Plumbers also work with valves, pumps, water heaters, cleanouts, backflow prevention, and other piping components.

A licensed journeyperson must understand how the different parts of a plumbing system work together.

For example, installing a bathroom group involves more than connecting several pipes. The drainage must be sized correctly, the venting must meet code requirements, and the water supply must be able to serve the fixtures.

A small mistake in pipe slope or vent arrangement can create a much larger problem for the building.

That is why Connecticut tests plumbing regulations, drainage, vents, gas systems, fixtures, backflow, and isometric drawings.

Connecticut also requires formal training for P-2 qualification.

The standard training benchmark is 8,000 hours of on-the-job experience plus 576 classroom hours.

Candidates generally qualify through a registered apprenticeship or a DCP-approved equivalent training and experience route.

These two types of training work together. Jobsite experience builds hands-on ability, while classroom instruction explains the technical rules behind the work.

Plumbers preparing for the P-2 examination should be comfortable with both.

The P-2 credential does not provide independent contractor authority.

A P-2 license holder can perform the covered plumbing work only while employed by a properly licensed contractor.

The separate P-1 Unlimited Plumbing Contractor license is intended for those pursuing contractor-level authority.

According to DCP, P-1 qualification generally requires two years as an unlimited licensed journeyperson or equivalent experience and training.

Keeping these two licenses separate is important when selecting study materials or planning to operate a business.

P-2: Unlimited Plumbing and Piping Journeyperson.

State agency: Connecticut Department of Consumer Protection.

Practical training: 8,000 hours.

Classroom training: 576 hours.

Testing provider: PSI.

Contractor credential: Separate P-1 Unlimited Plumbing Contractor license.

Review Connecticut's official plumbing license classifications and scope of work.

Connecticut Journeyman Plumber Licensing Path

Use these steps to organize your apprenticeship history, state application, PSI testing, and final licensing requirements.

Step Requirement What to Verify
Identify License Class P-2 Confirm you need Unlimited Plumbing and Piping Journeyperson.
Complete Practical Training 8,000 Hours Document qualifying on-the-job plumbing experience.
Complete Classroom Training 576 Hours Meet the required curriculum and classroom hours.
Verify Apprenticeship Registered Training Collect proof of apprenticeship completion or the required equivalent records.
Prepare Equivalent-Training Records When Applicable Supply employer letters and acceptable transcripts as required by DCP.
Review Scope of Work P-2 vs P-1 Confirm the distinction between journeyperson work and contractor authority.
Submit State Application DCP Follow Connecticut's current application and eligibility instructions.
Receive Examination Eligibility DCP Review Wait until the state confirms you are eligible to schedule.
Read PSI Bulletin P-2 Exam Rules Review question counts, references, time limits, fees, and permitted tabs.
Prepare Reference Books Approved Materials Bring only references and editions listed by PSI.
Schedule PSI Exam P-2 Trade Exam Register for Unlimited Journeyperson Plumber.
Pass the Exam 49 Correct Answer at least 49 of 70 questions correctly.
Complete License Issuance DCP Follow the passing-score report instructions and submit the required licensing fee.

Connecticut P-2 Journeyman Plumber 2026 Exam Snapshot

The current Connecticut PSI bulletin provides the P-2 examination details, including its sixteen subject categories and approved open-book references.

Exam Detail Authority Current Information
Official Exam Connecticut P-2 Unlimited Journeyperson Plumber
Licensing Agency DCP Connecticut Department of Consumer Protection
Exam Provider PSI Computer-based examination
Number of Questions PSI 70
Exam Time PSI 150 minutes
Passing Score PSI 70%, or 49 correct answers
Exam Format PSI Open book
Reference Books PSI Candidate-supplied approved references
Approved IPC Editions PSI 2015, 2018, or 2021
Permanent Tabs PSI Permitted
Highlighting Before Exam PSI Permitted in approved references
Temporary Sticky Tabs PSI Not permitted
Writing During Exam PSI Prohibited in references
General Plumbing Regulations PSI 4 questions
Gas Systems PSI 5 questions
Cleanouts PSI 4 questions
Fixtures and Equipment PSI 6 questions
Water Heaters PSI 2 questions
Piping, Valves, and Controls PSI 3 questions
Water Supply PSI 5 questions
Hangers and Supports PSI 4 questions
Drain, Waste, and Vent PSI 11 questions
Backflow PSI 3 questions
Traps and Interceptors PSI 4 questions
Developed Length PSI 3 questions
Isometric Analysis PSI 6 questions
Joints and Connections PSI 4 questions
Safety and Excavation PSI 3 questions
Water Treatment PSI 3 questions
On-the-Job Training DCP 8,000 hours
Classroom Training DCP 576 hours
PSI Exam Fee PSI $59 per examination portion in February 2026 bulletin; confirm current fee

Official P-2 test: 70 questions in 150 minutes.

Passing: 49 correct answers, or 70%.

Largest subject: Drain, Waste, and Vent with 11 questions.

Reference format: Candidate-supplied, approved open-book materials.

License qualification: Completed registered apprenticeship or approved equivalent education and experience.

Connecticut P-2 Journeyman Plumber Exam Breakdown

The official PSI content outline has sixteen categories. Understanding their question counts can help you build a smarter study schedule.

Drain, Waste, and Vent is the largest category with 11 questions. Review sanitary drainage sizing, vent connections, drainage slope, fixture units, building drains, and proper waste system design.

Fixtures and Equipment contains six questions. Study fixture requirements, plumbing connections, clearances, approved equipment, and installation rules.

Isometric Analysis also contains six questions. Candidates should practice reading three-dimensional piping diagrams and tracing waste, vent, and water supply connections.

These three categories total 23 of the 70 exam questions, or approximately 32.9%.

Gas Systems includes five questions involving fuel-gas piping, fittings, sizing, testing, and safety.

Water Supply includes five questions covering water distribution, pipe sizing, valves, pressure, and plumbing supply requirements.

General Plumbing Regulations contains four questions involving broad rules, definitions, and code administration.

Cleanouts contains four questions. Know where cleanouts belong, their accessibility, and common installation rules.

Hangers and Supports includes four questions. Review support spacing, pipe movement, and appropriate installation practices.

Traps and Interceptors includes four questions covering trap seals, proper connections, grease interceptors, and special applications.

Joints and Connections also contains four questions. Understand approved joining methods, fittings, and pipe material limitations.

Piping, Valves, and Controls contains three questions involving system components and their proper use.

Backflow contains three questions. Study cross-connections, air gaps, backflow prevention devices, and protection of potable water.

Developed Length includes three questions requiring attention to pipe routing and measurements.

Safety and Excavation includes three questions. Review trench safety, personal protection, and construction-site hazards.

Water Treatment contains three questions covering water quality and treatment-related equipment.

Water Heaters contains two questions involving heating equipment, installation, and safety requirements.

Every category contributes to the score. Study the larger subjects first, but do not overlook a smaller section. A few extra correct answers can make a very big difference.

Official Exam
P-2 Unlimited Journeyperson Plumber
State Agency
Connecticut Department of Consumer Protection
Licensing Board
Plumbing and Piping Work Examining Board
Exam Provider
PSI Services LLC
Number of Questions
70
Exam Time
150 minutes
Passing Requirement
70%, or 49 correct answers
Exam Format
Open book
Books Provided by PSI
No, candidates bring approved references
Approved IPC Editions
2015, 2018, or 2021
Fuel Gas Reference
NFPA 54, 2012
LP-Gas Reference
NFPA 58, 2014
Construction Safety
29 CFR Part 1926, current amendments
Water Treatment Reference
Water Processing, 3rd Edition, 2000
Gas Safety Reference
NFPA 56, current edition
Permanent Tabs
Allowed under PSI rules
Highlighting Before Testing
Allowed under PSI rules
Loose Papers
Not permitted
Writing During Testing
Not permitted in references
Drain, Waste, and Vent
11 questions
Fixtures and Equipment
6 questions
Isometric Analysis
6 questions
Gas Systems
5 questions
Water Supply
5 questions
General Plumbing Regulations
4 questions
Cleanouts
4 questions
Hangers and Supports
4 questions
Traps and Interceptors
4 questions
Joints and Connections
4 questions
Piping, Valves, Controls
3 questions
Backflow
3 questions
Developed Length
3 questions
Safety and Excavation
3 questions
Water Treatment
3 questions
Water Heaters
2 questions
On-the-Job Training
8,000 qualifying hours
Classroom Training
576 qualifying hours
Contractor-Level License
Separate P-1 Unlimited Plumbing Contractor

How to Study for the Connecticut Journeyman Plumber Exam

Begin by reading the current PSI Candidate Information Bulletin and checking your eligibility for the P-2 examination.

Next, prepare the approved references and organize your study around the official sixteen subject categories.

Drainage, Waste, and Vent: Practice drainage sizing, vent arrangements, fixture units, and code tables.

Fixtures and Equipment: Study fixture installation, minimum requirements, and connection methods.

Isometric Analysis: Practice tracing water, waste, and vent piping in three dimensions.

Gas Systems: Review gas pipe sizing, connections, testing, and the applicable fuel-gas references.

Water Supply: Study sizing, fixture-unit requirements, pressure, and distribution.

Backflow: Learn how air gaps and backflow devices protect potable water.

Traps and Interceptors: Review trap seals, cleanouts, and interceptor applications.

Safety: Study excavation and construction safety under applicable rules.

Developed Length: Practice measuring piping runs and finding correct sizing factors.

Reference Navigation: Use permanent tabs and an index to reduce lookup time.

Practice finding code sections rather than memorizing only the correct answer from a practice test.

For example, if you miss a drainage-sizing question, locate the exact IPC table and work through the reason for the correct size.

The Connecticut Journeyman Ultimate Exam Prep Package includes a study guide with 750 practice questions and an online course with plumbing code lessons.

Remember that the IPC is not the only approved reference in Connecticut's P-2 bulletin. Plan to obtain any additional materials you intend to rely on during the open-book exam.

Plumbing Water Supply, Drainage, and Venting Diagram

Connecticut tests Isometric Analysis as well as Drain, Waste, and Vent. The following illustration can help you visualize how fixtures, traps, branches, and vents connect.

VENT SINK TOILET COLD HOT DRAIN Water supply • fixture traps • venting • drainage

Simplified educational diagram. Not a code-approved plumbing design.

  • Supply lines: Review hot and cold distribution connections.
  • Fixture traps: Learn trap installation and protection requirements.
  • Drainage: Practice fixture-unit loading, slopes, and pipe sizing.
  • Venting: Study approved arrangements and trap arm limits.
  • Cleanouts: Know their required locations and access rules.
  • Isometrics: Trace pipes through changes in direction and elevation.
  • Developed length: Measure the actual piping route correctly.
  • Code tables: Confirm all requirements in the correct reference.

Connecticut P-2 Journeyman Plumber Licensing Roadmap

Use these eight steps to prepare for the P-2 licensing examination and complete the Connecticut application process.

1

Confirm the P-2 License

Review the Unlimited Journeyperson Plumber scope of work and confirm this is the correct trade examination.

2

Complete Practical Training

Document the 8,000 qualifying on-the-job plumbing hours required for P-2 eligibility.

3

Complete Classroom Training

Obtain proof of 576 hours of qualifying plumbing education and the required curriculum.

4

Submit Connecticut Licensing Documents

Follow the DCP application process for registered apprentices or applicants using equivalent training.

5

Prepare Approved Reference Books

Gather the correct IPC and other PSI-listed references, using permanent tabs and advance highlighting within the rules.

6

Practice the Sixteen Exam Subjects

Focus on drainage, fixtures, isometric analysis, gas systems, water supply, and the remaining categories.

7

Take the PSI P-2 Examination

Answer at least 49 of the 70 questions correctly within 150 minutes.

8

Complete Your P-2 License

Submit the required licensing fee and follow DCP's instructions after passing. Review P-1 requirements if contractor-level licensing is your long-term goal.

Connecticut P-2 Official Exam Topic Weighting

The Connecticut P-2 examination contains sixteen subjects totaling 70 questions. These percentages are calculated from the official PSI question counts.

Drain, Waste, and Vent11 questions • 15.7%

Fixtures and Equipment6 questions • 8.6%

Isometric Analysis6 questions • 8.6%

Gas Systems5 questions • 7.1%

Water Supply5 questions • 7.1%

General Plumbing Regulations4 questions • 5.7%

Cleanouts4 questions • 5.7%

Hangers and Supports4 questions • 5.7%

Traps and Interceptors4 questions • 5.7%

Joints and Connections4 questions • 5.7%

Piping, Valves, and Controls3 questions • 4.3%

Backflow3 questions • 4.3%

Developed Length3 questions • 4.3%

Safety and Excavation3 questions • 4.3%

Water Treatment3 questions • 4.3%

Water Heaters2 questions • 2.9%

Total: 70 questions.

Largest subject: Drain, Waste, and Vent with 11 questions.

Top three combined: 23 questions, approximately 32.9%.

Five largest subjects: 33 questions, approximately 47.1%.

Study strategy: Give extra time to high-weight subjects, but prepare for all sixteen categories.

Connecticut P-2 Journeyman Plumber Approved Exam Reference Books

The Connecticut P-2 examination is open book. PSI requires candidates to bring their own approved reference materials. The official bulletin lists the following references.

Reference Approved Edition Exam Use
International Plumbing Code 2015, 2018, or 2021 Plumbing regulations, fixtures, drainage, water supply, cleanouts, and venting.
NFPA 54 National Fuel Gas Code 2012 Fuel-gas systems, piping, appliances, connections, and safety.
NFPA 58 Liquefied Petroleum Gas Code 2014 LP-Gas equipment, piping, installation, and safety.
29 CFR Part 1926, OSHA Construction Regulations Latest available amendments Construction safety, excavation, and related requirements.
Water Processing: Residential, Commercial, Light Industrial 3rd Edition, 2000 Water quality and treatment.
NFPA 56, Fire and Explosion Prevention During Cleaning and Purging of Flammable Gas Piping Systems Current edition as listed by PSI Gas-piping cleaning, purging, and safety.
Mathematics for Plumbers and Pipefitters 8th Edition, 2013 Recommended for study only, not allowed in the testing center.
Plumbing Design and Installation L.V. Ripka / ATP Recommended for study only, not allowed in the testing center.

Connecticut code framework: The current 2022 Connecticut State Building Code adopts the 2021 IPC with state amendments.

PSI test reference: The current bulletin permits the 2015, 2018, or 2021 IPC.

Permanent tabs: Allowed under PSI's reference rules.

Highlighting and annotations: Permitted before testing, within the rules.

Additional references: The Connecticut Journeyman Plumber packages from Contractor Exam Preps include IPC-based study materials, but do not list every one of the PSI-approved exam-room references. Obtain additional references separately if needed.

How to Prepare Your Open-Book References for Connecticut PSI

Connecticut allows approved personal references during the P-2 examination. This makes reference preparation a useful part of studying.

However, PSI has specific rules. Permanent tabs and highlighting are allowed before testing, while temporary sticky tabs, loose notes, and writing during the examination are prohibited.

Do These Things

  • Read the current PSI bulletin.
  • Identify every approved reference.
  • Use an allowed IPC edition.
  • Install permitted permanent tabs.
  • Highlight important sections before testing.
  • Practice codebook navigation.
  • Review the IPC index.
  • Tab common sizing tables.
  • Study NFPA 54 gas requirements.
  • Review NFPA 58 safety.
  • Practice OSHA reference lookup.
  • Complete timed open-book tests.

Avoid These Mistakes

  • Bringing an unlisted reference.
  • Using temporary sticky tabs.
  • Inserting loose notes.
  • Adding loose papers.
  • Writing answers in the books.
  • Writing in references during the exam.
  • Bringing study-only books into testing.
  • Using the wrong gas code edition.
  • Ignoring fuel-gas questions.
  • Skipping isometric practice.
  • Taking too long on code lookups.
  • Assuming the IPC covers every question.

Exam reference responsibility: Candidates bring their own approved books.

Preparation: Permanent tabs, advance highlighting, and permitted annotations can improve navigation.

Forbidden during testing: Writing in references, temporary tabs, and loose supplemental materials.

Time budget: 150 minutes for 70 questions, about 2.14 minutes per question.

What Can a Connecticut P-2 Journeyman Plumber Do?

A Connecticut P-2 license authorizes unlimited plumbing and piping work as defined by state law, but only while employed by a contractor licensed for that work.

The permitted scope is broad. It includes many systems that carry potable water, waste, gas, and other materials through buildings and related piping networks.

Journeyperson plumbers may install, maintain, repair, replace, and alter plumbing fixtures, piping, fittings, drains, vents, valves, pumps, and connected equipment within their licensed scope.

They may also work with gas piping, water heaters, water distribution, and applicable sanitary or storm piping connections.

Plumbing work affects public health because it helps protect drinking water and remove wastewater safely.

Proper backflow protection is especially important where potable water systems could be exposed to contamination.

Drainage and venting must also be installed correctly so plumbing fixtures operate reliably.

Plumbers need to understand pipe sizing, proper support, approved connections, and inspection requirements.

For example, a commercial renovation might involve several new fixtures, a modified drain, and a different venting arrangement.

The plumber must evaluate how those changes affect the system rather than simply connecting the nearest available pipes.

Work on fuel-gas systems may also involve additional safety requirements and approved installation practices.

Connecticut's P-2 exam includes gas systems, which is why NFPA fuel-gas references appear in the PSI bulletin.

Despite the broad individual plumbing scope, the P-2 journeyperson credential is not the same as a contractor license.

To pursue unlimited plumbing contracting authority, candidates should review the P-1 classification.

DCP describes the P-1 licensing pathway as requiring two years as an unlimited licensed journeyperson or equivalent experience and training.

Unlike the P-2 examination, contractor applicants must also satisfy the relevant Business and Law examination requirement.

Understanding these separate responsibilities is essential for anyone planning to start a plumbing company.

P-2 scope: Unlimited plumbing and piping work within Connecticut law.

Employment condition: Work must be performed while employed by a properly licensed contractor.

P-1 scope: Separate unlimited plumbing contractor license.

Future goal: Consider P-1 licensing if you intend to operate a plumbing contracting business.

Connecticut P-2, P-1, and Limited Plumbing License Comparison

License Classification Main Requirement or Purpose
P-2 Unlimited Plumbing and Piping Journeyperson Registered apprenticeship or approved equivalent; 8,000 practical and 576 classroom hours.
P-1 Unlimited Plumbing Contractor Two years as an unlimited licensed journeyperson or equivalent, with trade and Business and Law examination requirements.
J-2 Limited Well Pumps and Piping Journeyperson Limited to domestic water pumps and water conditioning.
J-4 Limited Lawn Sprinkler Journeyperson Limited lawn sprinkler work while employed by a properly licensed contractor.
P-6 Limited Sewer, Storm, and Water Journeyperson Limited sewer, storm, and water piping work.
P-8 Limited Gasoline Tank, Piping, and Pump Journeyperson Specialized petroleum tank, piping, and pump work.
P-2 PSI Exam Journeyperson Trade Test 70 questions, 150 minutes, 49 correct to pass.
P-1 PSI Exam Contractor Trade Test 80 trade questions, 180 minutes, 70% passing, plus the separate Business and Law exam.
Business and Law Contractor Examination Portion 50 questions, 120 minutes, 70% passing. Not required for P-2 journeyperson licensing.

P-2: Journeyperson license, trade exam only.

P-1: Contractor license, with additional experience and examination requirements.

Important: Do not purchase an unrelated limited-plumbing exam package if your application is for P-2.

Connecticut P-2 Journeyman Plumber Licensing Requirements

Practical Plumbing Experience

8,000 Training Hours

  • Registered apprenticeship
  • Qualifying on-the-job training
  • Work history documentation
  • Approved plumbing duties
  • Employer verification
  • Training completion records
  • Equivalent-experience review if applicable
  • DCP eligibility approval

State and Contractor Compliance

DCP License and Future P-1 Path

  • State application documents
  • Examination eligibility
  • Passing score report
  • Applicable licensing fee
  • Final DCP processing
  • Work under a licensed contractor
  • Future P-1 experience
  • Contractor examination
  • Business and Law exam for P-1

Apprenticeship: Registered completion or acceptable equivalent training.

Hours: 8,000 on-the-job and 576 in the classroom.

Equivalent-experience route: DCP requires acceptable detailed employer letters, proper transcripts, and supporting records.

Contractor licensing: P-1 is a different classification requiring additional qualification.

Six-Week Connecticut Journeyman Plumber Exam Prep Plan

Use these six weeks to review the IPC, gas references, drainage calculations, isometrics, and timed open-book practice.

Week 1

Exam Rules and Reference Books

  • Read PSI's P-2 bulletin
  • Confirm eligibility
  • Collect approved references
  • Install permitted permanent tabs
  • Learn IPC chapters
  • Take a baseline quiz
Week 2

Drainage and Venting

  • Study sanitary drainage
  • Practice fixture-unit sizing
  • Review drain slopes
  • Study vent configurations
  • Review cleanouts
  • Complete timed questions
Week 3

Fixtures and Isometrics

  • Study fixture requirements
  • Review traps
  • Practice isometric drawings
  • Trace piping connections
  • Review developed length
  • Study joints and fittings
Week 4

Water Supply and Gas Systems

  • Study water distribution
  • Review valves and controls
  • Practice water sizing
  • Study NFPA 54
  • Review NFPA 58
  • Practice gas questions
Week 5

Safety and Special Topics

  • Study backflow prevention
  • Review water treatment
  • Practice water heater questions
  • Study hangers and supports
  • Review OSHA excavation rules
  • Practice quick reference lookups
Week 6

Full-Length Exam Practice

  • Take 70-question practice exams
  • Use a 150-minute timer
  • Practice with approved books
  • Review missed answers
  • Check permanent tabs
  • Prepare PSI identification

How Hard Is the Connecticut Journeyman Plumber Exam?

The Connecticut P-2 exam is challenging because it tests plumbing code knowledge, trade principles, calculations, and practical problem-solving.

Candidates must answer 70 questions within two hours and 30 minutes.

The passing requirement is 70%, or 49 correct answers.

The exam is open book, which helps candidates use approved references. However, the time limit makes preparation important.

You have an average of about 2.14 minutes per question.

Spending five minutes searching for one answer can leave less time for several other questions.

The largest subject is Drain, Waste, and Vent, with 11 questions.

Fixtures and Equipment and Isometric Analysis each contain six questions.

Gas Systems and Water Supply each contain five questions.

These five categories total 33 questions, almost half the exam.

Candidates should give them special attention during the first weeks of study.

Isometric Analysis can be difficult because it requires interpreting piping drawings, elevations, and connections.

Even experienced plumbers sometimes find three-dimensional drawings harder than the physical pipes they handle every day.

Developed length and plumbing mathematics can also be tricky when several measurements or fixture loads appear in the same question.

Another challenge is managing multiple approved references.

Some questions involve IPC requirements, while others relate to gas systems, construction safety, or water treatment.

Knowing which reference is likely to contain the answer saves valuable time.

Practice using permanent tabs and advance highlighting correctly, but do not depend entirely on marked pages.

Learn the layout of each book, including the table of contents, index, and commonly used tables.

Use timed practice questions to build both speed and confidence.

Review missed answers carefully. Every mistake is a chance to discover a rule you may need on test day.

Good plumbing exam preparation is about recognizing the problem, finding the correct rule, and answering before the clock runs out.

The exam may not be a leaky pipe, but a well-organized toolbox of knowledge still helps.

Connecticut P-2 PSI Exam Day Checklist

Do This

  • Confirm your PSI appointment.
  • Verify P-2 examination registration.
  • Read the current PSI bulletin.
  • Bring accepted photo identification.
  • Arrive at least 30 minutes early.
  • Bring your approved references.
  • Check permanent tabs.
  • Review the IPC index.
  • Practice drainage questions.
  • Review gas system references.
  • Practice isometric analysis.
  • Manage the 150-minute limit.

Avoid These Mistakes

  • Forgetting approved reference books.
  • Bringing unapproved study guides.
  • Using temporary sticky tabs.
  • Inserting loose paper notes.
  • Writing in references during testing.
  • Bringing prohibited materials.
  • Studying only the IPC.
  • Ignoring gas systems.
  • Skipping isometric problems.
  • Guessing developed lengths.
  • Spending too long on one question.
  • Confusing the P-2 and P-1 exams.

Exam arrival: PSI recommends arriving 30 minutes before testing.

Identification: Valid government-issued photo identification matching the registration.

References: Bring only materials approved for the P-2 examination.

Calculator: PSI allows a silent, nonprinting, nonprogrammable calculator.

Passing score: 49 correct out of 70.

Connecticut Journeyman Plumber Exam Prep Products from Contractor Exam Preps

Contractor Exam Preps offers Connecticut-specific P-2 plumbing study packages as well as general Journeyman Plumber preparation materials.

These packages are based on the 2021 IPC, which is one of the IPC editions listed in Connecticut's current PSI bulletin.

Connecticut Journeyman Plumber Exam Prep Package

Printed Codebook, Tabs, and Study Guide

  • 2021 IPC paperback
  • Permanent reference tabs
  • Journeyman Plumber Study Guide
  • 750 practice questions
  • Answer keys
  • Drainage and venting
  • Water supply
  • Fixtures and equipment
  • Gas piping concepts
  • Plumbing math
  • Isometric drawings
  • Connecticut licensing guidance

View Connecticut Journeyman Book Package

Journeyman Plumber Exam Study Guide

750 Plumbing Practice Questions

  • Based on the 2021 IPC
  • 750 questions with answers
  • IPC chapter review
  • Fuel-gas code study
  • Plumbing math
  • Isometric practice
  • OSHA safety review
  • Study planning advice
  • Exam-taking techniques
  • State licensing guidance
  • Softbound format
  • Additional home practice

View Journeyman Plumber Exam Study Guide

General ultimate option: The Journeyman Plumber Ultimate Exam Prep Package provides another IPC-based course and study guide combination.

General printed option: The Journeyman Plumber Exam Prep Package includes a 2021 IPC and practice book.

Reference warning: The Connecticut packages do not list every approved P-2 reference book. Confirm and obtain additional PSI-listed references separately.

Before ordering: Verify product contents, current availability, pricing, and examination references.

CONNECTICUT P-2 JOURNEYMAN PLUMBER CONNECTICUT DRAIN • VENT P-2 • PSI EXAM PREP Study illustration • Not an official Connecticut license

Connecticut P-2 Journeyman Plumber Contractor Exam Prep

This Connecticut-specific credential illustration features the state outline, a pipe wrench, water piping, drain and vent connections, plumbing fittings, and water imagery.

It represents P-2 Journeyman Plumber examination preparation. It is not an official Connecticut DCP license or certificate.

• Connecticut Department of Consumer Protection

• Plumbing and Piping Work Examining Board

• P-2 Unlimited Journeyperson Plumber

• PSI State Examination

• 70 Questions

• 150-Minute Examination

• 70% Passing Score

• Open-Book Exam

• 2021 International Plumbing Code

• Approved Permanent Reference Tabs

• 8,000 Practical Training Hours

• 576 Classroom Hours

• Drainage, Waste, and Venting

• Water Supply and Distribution

• Plumbing Fixtures

• Gas Piping

• Cleanouts

• Isometric Analysis

• Backflow Prevention

• Traps and Interceptors

• Developed Length

• Water Heaters

• Water Treatment

• Safety and Excavation

• P-1 Contractor License Distinction

Study the approved references, practice plumbing calculations, and prepare for Connecticut's P-2 examination with a clear weekly study schedule.

Explore Connecticut Journeyman Plumber Exam Prep

Frequently Asked Questions

Connecticut P-2 Plumbing License Basics

The P-2 Unlimited Plumbing and Piping Journeyperson license.

The Connecticut Department of Consumer Protection, with oversight from the Plumbing and Piping Work Examining Board.

The standard requirement is 8,000 qualifying on-the-job plumbing training hours.

Connecticut requires 576 qualifying classroom hours for P-2 apprenticeship or equivalent-training qualification.

DCP has an equivalent-experience-and-training application route, but applicants must document both the required 8,000 practical hours and 576 qualifying classroom hours.

No. DCP states that work experience cannot replace the required classroom training for the equivalent-training route.

Connecticut PSI P-2 Examination Format

PSI Services LLC administers the P-2 examination.

The official PSI bulletin lists 70 questions.

150 minutes, or two hours and 30 minutes.

70%, which equals 49 correct answers out of 70.

Yes. PSI administers Connecticut occupational licensing examinations through computer testing centers.

No. Connecticut's PSI bulletin states that journeyperson applicants take the trade examination. Contractor applicants must pass both trade and Business and Law portions.

Open-Book References and Tabs

Yes. Candidates may bring approved reference materials listed in the PSI bulletin.

No. Candidates are responsible for bringing their own approved P-2 reference books.

Yes. PSI permits permanent tabs and indexing under the published reference rules.

Yes. Approved references may be highlighted, underlined, and annotated before testing. No writing is allowed during the examination.

No. PSI prohibits temporary tabs and loose inserted paper.

The current P-2 PSI bulletin permits the 2015, 2018, or 2021 International Plumbing Code.

The 2022 Connecticut State Building Code is currently listed as effective and is based on the 2021 International Codes, including the 2021 IPC.

No. PSI also lists NFPA 54, NFPA 58, OSHA construction regulations, Water Processing, and NFPA 56 among approved references.

PSI permits a silent, nonprinting, nonprogrammable calculator.

Official P-2 Plumbing Exam Topics

Drain, Waste, and Vent, with 11 questions.

Six questions.

Yes. Gas Systems includes five questions.

Five questions.

Yes. Fixtures and Equipment contains six questions.

Yes. Developed Length accounts for three questions.

Yes. Safety and Excavation includes three questions.

Yes. Backflow includes three questions, and Water Treatment also includes three.

Journeyperson and Contractor Licensing

No. The P-2 license authorizes covered plumbing work only while employed by a contractor licensed for that work.

The P-1 Unlimited Plumbing Contractor license, subject to Connecticut's additional licensing requirements.

DCP generally requires two years as an unlimited licensed journeyperson or equivalent experience and training to qualify for the P-1 examination.

Yes. Contractor applicants must pass the trade examination and a separate Business and Law portion.

Contractor Exam Preps Study Products

Yes. The store offers Connecticut Journeyman Plumber Exam Prep and Ultimate Exam Prep packages based on the 2021 IPC.

A 2021 IPC, permanent reference tabs, a Journeyman Plumber Study Guide, and an online course with videos and simulated exams.

The listed Journeyman Plumber Study Guide includes 750 practice questions with answer keys.

No. The listed Connecticut packages include IPC-based materials but do not list the complete set of approved gas, safety, and water treatment references.

No. Study products support exam preparation but cannot guarantee passing the examination or receiving a state license.

Watch: International Plumbing Code Overview by 1 Exam Prep

This related 1 Exam Prep video introduces the International Plumbing Code, including plumbing fixtures, sanitary drainage, venting, water distribution, piping materials, and codebook navigation. These topics are useful for Connecticut P-2 candidates preparing for their open-book licensing exam.

Video: International Plumbing Code Overview, Course Preview.

Channel: 1 Exam Prep.

Related topics: IPC organization, fixtures, drainage, venting, water supply, and open-book code navigation.

Connecticut reminder: The P-2 exam is 70 questions in 150 minutes with a 70% passing requirement.

Approved reference rules: Use only PSI-listed books and follow the permanent-tab and annotation requirements.

Watch the 1 Exam Prep International Plumbing Code Video on YouTube

Connecticut Journeyman Plumber Books, Exam Prep, and Official Resources

Use Contractor Exam Preps for Connecticut-specific plumbing study materials, IPC references, practice questions, and online instruction. Use DCP and PSI to confirm official licensing and examination requirements.

Connecticut license: P-2 Unlimited Plumbing and Piping Journeyperson.

Examination: 70 questions, 150 minutes, 49 correct to pass.

Format: Open book, with candidate-supplied approved references.

Reference preparation: Permanent tabs and advance highlighting are allowed under PSI rules.

Practical training: 8,000 hours.

Classroom education: 576 hours.

Contractor authority: Separate P-1 Unlimited Plumbing Contractor license.

Ready for Connecticut Journeyman Plumber Contractor Exam Prep?

Prepare for Connecticut's P-2 Unlimited Journeyperson Plumber examination with stronger knowledge of the International Plumbing Code, drainage, venting, gas systems, water supply, fixtures, backflow prevention, and isometric drawings.

The official PSI examination includes 70 questions and allows 150 minutes.

Candidates must answer at least 49 questions correctly to meet the 70% passing standard.

Connecticut's P-2 exam is open book, so approved reference preparation is important.

You are responsible for bringing the approved books to the testing center.

PSI permits permanent tabs and highlighting completed before testing. Temporary tabs, loose notes, and writing in references during the examination are prohibited.

The largest exam subject is Drain, Waste, and Vent, with 11 questions.

Fixtures and Equipment and Isometric Analysis each contain six questions, while Gas Systems and Water Supply each contain five.

These five categories account for 33 of the 70 questions.

Study them carefully, but prepare for all sixteen official subjects.

The Connecticut Journeyman Plumber Ultimate Exam Prep Package offers 2021 IPC study materials, permanent tabs, a guide with 750 practice questions, and an online course.

A printed Connecticut Journeyman Plumber Exam Prep Package is also available.

Remember to review the official PSI bulletin because additional approved references cover gas safety, construction safety, and water treatment.

Beyond testing, Connecticut P-2 candidates must satisfy their apprenticeship or equivalent-training requirements involving 8,000 practical hours and 576 classroom hours.

The P-2 license allows broad plumbing and piping work while employed by a properly licensed contractor.

If you want to operate an unlimited plumbing contracting business, the separate P-1 licensing pathway is the next classification to explore.

Build a realistic study schedule, practice open-book reference navigation, work through isometric drawings, and review every missed question.

Good preparation means knowing where to find the correct plumbing rule and understanding how to apply it under time pressure.

Find additional plumbing licensing and contractor exam preparation at ContractorExamPreps.com.