Updated October 2026 | Tennessee LLP Plumbing Exam Prep

Tennessee Limited Licensed Plumber Contractor Exam Prep

Tennessee LLP • Prov • 40 Questions • 120 Minutes • 73% Passing • Open Book • Plumbing Work Under $25,000

Want a simpler path to Tennessee Limited Licensed Plumber exam preparation? This guide from Contractor Exam Preps explains the LLP credential, the current Prov test, the ten exam subjects, the study books, and the steps that come after the test.

Plumbing seems easy until one wrong connection sends water where nobody invited it. Good exam preparation helps you understand the code, read drawings, and find the right answers before the clock runs out.

What Is the Tennessee Limited Licensed Plumber License?

The Tennessee Limited Licensed Plumber, known as LLP, is an individual credential for qualifying plumbing work. It is issued through the Tennessee Board for Licensing Contractors, but it is not the same as a full contractor license. An LLP may help a qualified plumber perform covered smaller plumbing jobs in the areas where this state credential is required and accepted. The name is long, but the point is simple: understand exactly which work your license allows.

Where Is an LLP Required?

Tennessee states that the LLP applies to covered plumbing projects costing less than $25,000 in municipalities that use the Tennessee Division of Fire Prevention for permits or inspections. Local rules still matter. A city may have its own plumber license, permit process, inspection procedures, or tougher conditions. Ask the local building or permitting department before giving a price or starting a project.

Who Issues the LLP License?

The Tennessee Board for Licensing Contractors oversees the LLP program. Applicants must complete the trade examination and the state application requirements. The state lists a photo ID and Social Security number among its licensing requirements. The current initial state application fee is $75. Check the official Board site for any changes, rather than trusting an old screen grab from a social media post.

Is LLP the Same as a Plumbing Contractor License?

No. Tennessee distinguishes LLP from contractor-level mechanical plumbing classifications such as CMC-A and full CMC. LLP concerns limited plumbing work within its legal scope. Larger projects and wider contracting activities may require a separate contractor license. The Tennessee Contractor Business and Law exam is not part of the basic LLP licensing path, but it generally matters when someone later pursues contractor-level licensing.

Who Administers the 2026 LLP Exam?

Prov is the current exam administrator for newly scheduled Tennessee trade examinations after the July 1, 2026 transition. Some older websites still display the previous PSI format. For the LLP, the current Prov format is 40 questions over 120 minutes. Check your specific registration and candidate bulletin. Taking the right test is a fine way to avoid studying hard for the wrong one!

What Score Do I Need to Pass?

The current published LLP passing standard is 73%. With 40 scored questions, aim for at least 30 correct answers on a 40-question practice test to clear 73% without depending on score rounding. Follow Prov for official scoring. Aim higher during practice. A comfortable margin is much nicer than hoping the score calculation will do you a favor.

Is the Exam Open Book?

Yes, subject to the current Prov rules. Approved references are useful, but you must know where to find answers. Learn the plumbing code index, chapter headings, tables, definitions, and the layout of your mathematics reference. Check restrictions on highlighting, permanent tabs, loose pages, and notes before exam day. A book cannot answer a question while it is still sitting closed on the desk.

Which Topics Are on the LLP Exam?

The exam covers ten subjects: General Knowledge, Plumbing Math, Code Requirements, Water Supply and Distribution, Water Heaters, Drain, Waste, and Vent Systems, Fixtures and Fittings, Isometrics, Fuel Gas Systems, and OSHA Safety. Drain, Waste, and Vent Systems has 10 questions, while Isometrics has 7. Together they make up 17 of the 40 questions, so both deserve serious attention.

Why Should I Practice Isometric Drawings?

An isometric drawing presents a three-dimensional plumbing system on a flat page. You may need to trace a waste pipe, locate a vent, follow fixture connections, or read how a branch joins a main. Practice with several layouts. What looks like a bowl of spaghetti becomes much easier after you learn to follow each pipe with a purpose.

What Books Should I Study?

Contractor Exam Preps lists the 2021 International Plumbing Code, Mathematics for Plumbers and Pipefitters, Eighth Edition, and Plumbing Basics for Contractors, Fourth Edition (2021), as current primary Prov LLP references. Its five-book study packages also include the 2021 International Fuel Gas Code and OSHA 29 CFR Part 1926 for supplemental fuel gas and safety study. Always use the current Prov reference authorization list for the exam room.

How Much Time Do I Have per Question?

Forty questions in 120 minutes works out to an average of three minutes per question. Short definition questions should take less. A math calculation or detailed isometric may need more. During practice, learn to mark a difficult question mentally, stay calm, and move forward instead of letting one stubborn drawing eat your entire afternoon.

What Is the Best Six-Week Study Approach?

Start with the approved books and exam outline. Spend the first two weeks building plumbing code and Drain, Waste, and Vent knowledge. Give the third week to isometrics and water distribution. Move through water heaters, fixtures, fuel gas, mathematics, and safety in the following weeks. Finish with realistic 40-question practice sets in two hours and review every missed answer.

Which Contractor Exam Preps Products Match the LLP?

The Tennessee LLP Complete Book Package combines five trade references. The LLP Books and Course Rental Package adds highlighted and tabbed rental books with six months of course access. The Tennessee LLP Online Exam Prep Course supports structured learning, while the LLP Pre-Printed Tabs may help with organizing materials. Check the product pages for the latest inclusions.

What Should I Do Before Test Day?

Review the Tennessee LLP scope, confirm any local requirements, register for the correct Prov exam, and check the latest testing rules. Practice the ten question categories, especially drain-waste-vent systems and isometric drawings. Make sure your references match the permitted editions. Then gather the identification and application information you will need for the state license process.

TENNESSEE LLP • PROV 2026 • 40 QUESTIONS • 2 HOURS • 73% PASSING • 10 STUDY SUBJECTS • INDIVIDUAL LIMITED LICENSE
LLP

Individual Tennessee Limited Licensed Plumber Credential

40

Questions in the Current Prov LLP Examination

120

Minutes Available for the Plumbing Exam

73%

Passing Standard; About Three Minutes per Question

Important Tennessee LLP Update for 2026: Prov replaced PSI for newly scheduled Tennessee trade examinations beginning July 1, 2026. The current LLP exam uses 40 questions, 120 minutes, a 73% passing standard, and an open-book format with restrictions. Tennessee LLP is an individual credential for qualifying covered plumbing work costing less than $25,000, where state LLP rules apply. General maintenance work costing less than $500 is exempt from this state LLP requirement. Local plumbing rules can still apply. Do not confuse the LLP test with the CMC-A contractor exam or add a separate contractor Business and Law requirement to the LLP path.

What Is a Tennessee Limited Licensed Plumber?

The LLP is a state credential for individuals carrying out limited plumbing work within the Tennessee rules. It is not a company license and it does not turn every plumbing project into work that an LLP holder may legally bid or perform.

The Tennessee Board explains when the statewide LLP credential is required and reminds plumbers to check local laws first. A local permit office might have different licensing or inspection rules, especially when a job involves a larger project or special site conditions.

Regulator: Tennessee Board for Licensing Contractors.

Credential: LLP, Limited Licensed Plumber.

Scope: Qualifying plumbing projects under $25,000 in specified municipalities.

Exam: Prov, 40 questions, 120 minutes, 73% passing.

State fee: $75 for the initial LLP application.

Tennessee Limited Licensed Plumber Exam and Licensing Requirements

This table keeps the current LLP licensing rules, exam details, test categories, and related study products in one place. Review official documents before making decisions.

Requirement Current Information What to Know
State Tennessee Check the Board and local permitting authority.
Credential Limited Licensed Plumber (LLP) Individual limited plumbing license, not full contractor licensure.
Regulator Tennessee Board for Licensing Contractors Official Tennessee LLP page
Project scope Qualifying plumbing work under $25,000 Only where LLP rules apply and local requirements allow.
Where applicable Municipalities using Division of Fire Prevention permits or inspections Check locally before starting a job.
Maintenance exception General maintenance under $500 State LLP exception; local rules can differ.
Exam provider Prov New scheduling transitioned July 1, 2026.
Trade exam LLP plumbing theory Do not confuse with CMC-A plumbing contractor test.
Question count 40 Use current Prov candidate information.
Testing time 120 minutes 3 minutes per question on average.
Passing 73% Practice for 30 correct of 40 or better; Prov controls official scoring.
Test format Computer-based and open book Only current approved references allowed.
Initial LLP fee $75 Tennessee current application information.
Application Initial LLP Application Apply through Tennessee CORE portal.
Identification Photo ID and Social Security number Prepare the identity information required by the state.
Business & Law Not normally part of the LLP path Contractor classifications have different exam requirements.
Approved book 1 International Plumbing Code, 2021 Primary exam reference identified in current LLP prep outline.
Approved book 2 Mathematics for Plumbers and Pipefitters, 8th Ed. Primary mathematics reference.
Approved book 3 Plumbing Basics for Contractors, 4th Ed., 2021 Primary plumbing trade reference.
Additional study book International Fuel Gas Code, 2021 Supplemental coverage, check exam-room permission.
Additional study book OSHA 29 CFR Part 1926 Supplemental construction safety.
Tabs and notes Follow Prov current bulletin Permanent tabs may be allowed; removable paper is restricted.
General Knowledge 3 questions Plumbing fundamentals.
Plumbing Math 2 questions Measurements and trade calculations.
Code Requirements 4 questions Plumbing code definitions and tables.
Water Supply and Distribution 4 questions Pipes, pressure, fittings, supply.
Water Heaters 2 questions Installation and safety.
Drain, Waste, and Vent Systems 10 questions Largest subject, 25% of the exam.
Fixtures & Fittings 2 questions Approved fixtures and connections.
Isometrics 7 questions Read plumbing diagrams and pipe relationships.
Fuel Gas Systems 4 questions Gas piping and appliances.
OSHA Safety 2 questions Safe plumbing and construction work.
Exam study package Five plumbing and safety books Tennessee LLP Complete Books
Books and course Five rental books plus course access Tennessee LLP Rental and Course Package
Standalone course Online exam prep Tennessee LLP Online Course
Organization aid LLP pre-printed tabs LLP Code Book Tabs

Tennessee LLP Prov Examination Snapshot

Detail Category Current Information
License classification Credential Limited Licensed Plumber (LLP)
License type Scope Individual limited plumbing credential
Exam company Testing Prov
New provider transition Testing July 1, 2026
Exam questions Testing 40
Exam duration Testing 120 minutes / 2 hours
Passing standard Scoring 73%
Minimum passing correct Scoring Aim for 30 of 40 in practice
Average time per question Pacing 3 minutes
Open-book status Testing Approved references only
State initial LLP application Licensing $75
Project threshold Licensing Below $25,000 where LLP required and accepted
Maintenance exemption Licensing Under $500 general maintenance
Business and Law separate exam Licensing Not part of the LLP examination path
Primary reference Books 2021 International Plumbing Code
Primary reference Books Mathematics for Plumbers and Pipefitters, 8th Edition
Primary reference Books Plumbing Basics for Contractors, 4th Edition, 2021
Supplemental books Books 2021 International Fuel Gas Code; OSHA 29 CFR Part 1926
General Knowledge Exam outline 3 questions
Plumbing Math Exam outline 2 questions
Code Requirements Exam outline 4 questions
Water Supply and Distribution Exam outline 4 questions
Water Heaters Exam outline 2 questions
Drain, Waste, and Vent Systems Exam outline 10 questions
Fixtures & Fittings Exam outline 2 questions
Isometrics Exam outline 7 questions
Fuel Gas Systems Exam outline 4 questions
OSHA Safety Exam outline 2 questions

Important: The LLP test is 40 questions in 2 hours, not the larger CMC-A or CMC-Full mechanical examinations.

Study tip: Review the latest Prov bulletin before bringing any tabbed or highlighted references.

Tennessee LLP Plumbing Exam Core Study Topics

1. General Knowledge (3 Questions)

Learn tools, common materials, safe installation terms, fixture basics, and the purpose of common plumbing components. Be able to explain the difference between a supply pipe, waste line, vent, trap, and cleanout.

2. Plumbing Math (2 Questions)

Review fractions, feet and inches, basic area and volume, slope, conversion problems, and practical pipe-related calculations. Write each step during study to spot mistakes early.

3. Code Requirements (4 Questions)

Use the 2021 International Plumbing Code to practice finding definitions, general regulations, tables, exceptions, pipe approvals, and installation rules. Always read what the question actually asks.

4. Water Supply and Distribution (4 Questions)

Study safe water delivery, water-pressure concepts, sizing, water-service lines, material selection, joints, supports, valves, cross-connection control, and backflow protection.

5. Water Heaters (2 Questions)

Review water-heater placement, temperature and pressure relief protection, discharge piping, thermal expansion, connections, venting where applicable, and maintenance access.

6. Drain, Waste, and Vent Systems (10 Questions)

This is the largest subject. Learn sanitary drainage, fixture drains, horizontal branches, vents, traps, cleanouts, offsets, slopes, sizing tables, and how systems protect trap seals.

7. Fixtures and Fittings (2 Questions)

Know the common approved fixture types, supply connections, drains, traps, fixture clearances, and typical fitting arrangements.

8. Isometrics (7 Questions)

Practice tracing horizontal and vertical drains in a three-dimensional drawing, finding where vents join the system, identifying fittings, and recognizing correct versus incorrect layouts.

9. Fuel Gas Systems (4 Questions)

Review fuel-gas pipe sizing, regulators, shutoff valves, combustion air, appliance connections, venting, and safe installation practices.

10. OSHA Safety (2 Questions)

Understand PPE, ladder safety, excavation hazards, tool safety, safe handling, electrical awareness, and procedures that protect people on plumbing jobs.

Exam coverage: The ten listed topic counts add to 40.

Priority: Drain, Waste, and Vent Systems has 10; Isometrics has 7. Together, they represent 42.5% of the current LLP exam.

Blog Topic
Tennessee Limited Licensed Plumber Contractor Exam Prep
State
Tennessee
Credential
Limited Licensed Plumber (LLP)
Regulator
Tennessee Board for Licensing Contractors
License Type
Individual Limited Plumbing License
Full Contractor License?
No; contractor classifications are separate
Exam Company
Prov
Exam Transition
July 1, 2026 for newly scheduled trade exams
Trade Questions
40
Exam Duration
120 Minutes
Passing Score
73%
Passing Result
Aim for 30 of 40 in practice
Typical Pacing
3 Minutes Per Question
Exam Type
Open Book, Computer Delivered
Project Range
Covered Work Under $25,000
Location Rule
Municipalities Using State Fire Prevention Permits / Inspections
Local Licensing
Check City or County Before Work
Maintenance Rule
General Maintenance Under $500 Exempt From State LLP
Application Fee
$75 Initial State Application
Application Method
Tennessee CORE State Portal
Identification
Photo ID and SSN According to Current State Page
Business and Law Exam
Not Normally Required for LLP
Primary Exam Reference
International Plumbing Code, 2021
Primary Exam Reference
Mathematics for Plumbers and Pipefitters, 8th Edition
Primary Exam Reference
Plumbing Basics for Contractors, 4th Ed., 2021
Supplemental Study Reference
International Fuel Gas Code, 2021
Supplemental Study Reference
OSHA 29 CFR Part 1926
Exam Topic: General Knowledge
3 Questions
Exam Topic: Plumbing Math
2 Questions
Exam Topic: Code Requirements
4 Questions
Exam Topic: Water Supply and Distribution
4 Questions
Exam Topic: Water Heaters
2 Questions
Exam Topic: Drain, Waste, and Vent
10 Questions
Exam Topic: Fixtures & Fittings
2 Questions
Exam Topic: Isometrics
7 Questions
Exam Topic: Fuel Gas Systems
4 Questions
Exam Topic: OSHA Safety
2 Questions
Drain and Waste
Drainage and Wastewater Routing
Vents
Protecting Traps and Proper Air Movement
Traps
Traps and Trap Seals
Cleanouts
Access for Drain Maintenance
Fixture Branches
Proper Connections and Layout
Water Supply
Water Piping, Distribution, Sizing
Water Heaters
Temperature, Pressure and Safety
Code Navigation
Chapter Structure, Tables and Index
Plumbing Math
Conversions, Fractions and Slope
Isometric Diagrams
Read Three-Dimensional Pipe Layouts
Fuel Gas
Gas Piping and Combustion Requirements
OSHA Safety
Personal Protection and Construction Hazards
Open Book Tabs
Only If Permitted by Current Prov Rules
Loose Papers
Follow Current Exam Restrictions
Complete Study Package
Rental Study Package
Online Study Course
Book Tabs
Tennessee Official Licensing
Official Exam Information

How to Study for the Tennessee Limited Licensed Plumber Exam

Start with a fresh copy of the current Prov candidate information and Tennessee LLP license page. Confirm the exam name and the exact permitted reference editions. The older PSI exam details are not a substitute for your current appointment instructions.

Open the 2021 International Plumbing Code and study how the chapters are arranged. Learn where definitions, fixture rules, water distribution, sanitary drainage, vent systems, and general requirements live. Practice finding answers from a topic clue.

Spend daily time on drain, waste, and vent questions because this category alone represents one-quarter of the exam. Sketch lines, traps, cleanouts, vent connections, and branch arrangements to make the relationships easier to see.

Practice isometric diagrams three or four times every week. Use a pencil on your own practice sheets to trace piping and compare elevations, while remembering that personal written practice sheets are not automatically allowed in the exam room.

Review plumbing mathematics, water heaters, fixtures and fittings, fuel gas, and OSHA safety throughout the week. Smaller subjects are still worth real points. A two-question area can make the difference at the passing line.

Use 40-question mock exams with a 120-minute timer. Mark whether each mistake was caused by a knowledge gap, rushed reading, a wrong table, a code navigation delay, or a difficult diagram.

Consider the Contractor Exam Preps LLP Online Course if you want structured lessons. The LLP Complete Study Book Package provides the five-book collection, while the LLP Rental Package adds highlighted and tabbed rental references with course access.

Finish by organizing your ID, reviewing check-in procedures, verifying the authorized books and permitted tabs, and visiting the official Tennessee LLP licensing page for the state application steps.

Step 1: Confirm the current LLP exam rules and reference list.

Step 2: Study all ten categories, prioritizing DWV and isometrics.

Step 3: Take timed 40-question practice tests.

Step 4: Complete the state LLP application and check local permits.

Tennessee LLP Plumbing Systems Diagram

This original study illustration shows the main building plumbing systems behind the Tennessee LLP exam. It is a learning diagram, not an installation or permit plan.

TENNESSEE LLP PLUMBING SYSTEMS BUILDING PLUMBING SUPPLY • FIXTURES • DRAINAGE WATER SUPPLY PIPES • VALVES PRESSURE • BACKFLOW FIXTURES & WATER HEATERS CONNECTIONS • SAFETY DRAIN WASTE & VENT TRAPS • CLEANOUTS ISOMETRICS & FUEL GAS DRAWINGS • PIPING • APPLIANCES CODE • PLUMBING MATH • OSHA SAFETY EDUCATIONAL OVERVIEW • NOT AN INSTALLATION DRAWING

Educational plumbing overview. Real work must follow approved plans, local codes and the license scope.

  • Water supply: Piping, valves, distribution and pressure.
  • Fixtures: Sinks, toilets, tubs, faucets and connections.
  • Water heaters: Proper connections and protective devices.
  • Drainage: Removing wastewater from fixtures.
  • Waste: Waste piping and approved fittings.
  • Vents: Air movement that helps protect trap seals.
  • Traps: Water seals and odor protection.
  • Cleanouts: Access for cleaning drains.
  • Isometrics: Three-dimensional plumbing drawings.
  • Fuel gas: Piping, appliances and safe installation.
  • Math and safety: Calculations and OSHA principles.

Eight Steps Toward Tennessee Limited Licensed Plumber Licensing

1

Confirm That LLP Matches Your Intended Plumbing Work

Check the state rule for limited plumbing projects and contact the city or county where you plan to perform work.

2

Review the State Application Requirements

Read the Tennessee LLP page and prepare required identification and supporting application information.

3

Get the Current Prov LLP Exam Instructions

Make sure you are using the LLP exam, not CMC-A or another plumbing classification.

4

Obtain Current Study References

Study the 2021 IPC, Mathematics for Plumbers and Pipefitters, and Plumbing Basics for Contractors.

5

Learn All Ten Exam Categories

Prioritize DWV, isometrics, water distribution, code requirements, and fuel gas.

6

Practice with Timed LLP Mock Exams

Complete 40-question drills within 120 minutes and review every missed answer.

7

Pass the LLP Trade Examination

Bring the correct ID and only approved, compliant reference materials.

8

Apply for the LLP and Confirm Local Permission

Complete the initial state application, pay the current fee, and obtain any local approvals before work.

Tennessee LLP Prov Exam Topic Weighting

The current Prov LLP outline totals 40 questions across ten subject areas. Each question is worth about 2.5% of the examination. These teal bars show each topic share of the total exam, with labels showing the exact counts.

Drain, Waste, and Vent Systems10 Questions • 25%

Isometrics7 Questions • 17.5%

Code Requirements4 Questions • 10%

Water Supply and Distribution4 Questions • 10%

Fuel Gas Systems4 Questions • 10%

General Knowledge3 Questions • 7.5%

Plumbing Math2 Questions • 5%

Water Heaters2 Questions • 5%

Fixtures & Fittings2 Questions • 5%

OSHA Safety2 Questions • 5%

Total: 40 questions across 10 exam subjects.

Largest category: Drain, Waste, and Vent Systems, 10 questions or 25%.

Second largest: Isometrics, 7 questions or 17.5%.

Study goal: Practice every section, not just the large ones.

Tennessee LLP Reference Books and Study Materials

A study package can include additional books beyond the exam-room reference list. That does not mean every book may go into the test center. Always read the current Prov authorization list.

Book or Reference Edition or Product How It Helps
International Plumbing Code 2021 Current core exam reference; water supply, drainage, vents, fixtures, traps and more.
Mathematics for Plumbers and Pipefitters 8th Edition Current core exam reference; fractions, conversions, slopes, offsets and plumbing calculations.
Plumbing Basics for Contractors 4th Edition, 2021 Current core exam reference; trade concepts and system identification.
International Fuel Gas Code 2021 Additional package study book for fuel-gas subjects, not assumed exam-room approved.
OSHA Construction Safety 29 CFR Part 1926 Additional package study book for construction hazards and safe work.
Prov LLP Candidate Information Bulletin Current issue Controls exam format, current authorized books and testing rules.
Tennessee LLP official licensing page Current state page Scope, local-rule reminder, application and fee.
LLP Complete Study Book Package Five study references Store five-book purchase option.
LLP Books and Course Rental Rental books and course Five highlighted and tabbed rentals plus six-month study course.
Tennessee LLP Online Course Self-paced trade review Separate course listing for plumbing exam preparation.
LLP Pre-Printed Tabs Tab set Book navigation accessory; check current Prov tab rules.

Current principal Prov references: IPC 2021, Mathematics for Plumbers and Pipefitters 8th Edition, Plumbing Basics for Contractors 4th Edition (2021).

Supplemental subjects: Fuel gas and OSHA safety are useful to study even if their books are not authorized in the exam room.

Exam-day rule: Follow the current provider bulletin over older store copy.

How to Prepare for the Tennessee LLP Open-Book Exam

Open-book testing is useful only when your book navigation is practiced. Try answering easy questions from knowledge first, then use approved references efficiently for the rules you need to confirm.

Do These Things

  • Check the current Prov bulletin before scheduling.
  • Confirm the exam is Tennessee LLP.
  • Use current allowed reference editions.
  • Practice the International Plumbing Code index.
  • Find water supply and DWV code tables.
  • Draw fixture branches and vent relationships.
  • Complete plenty of isometric drawings.
  • Review common plumbing math conversions.
  • Practice water-heater protection topics.
  • Review basic fuel-gas installation concepts.
  • Study jobsite safety and PPE.
  • Complete 40-question, two-hour mock exams.

Avoid These Mistakes

  • Using old PSI time limits without checking.
  • Confusing LLP with CMC-A contractor licensing.
  • Assuming all package books are exam-approved.
  • Bringing handwritten notes or loose paper.
  • Using removable tabs when rules prohibit them.
  • Ignoring local license or permit requirements.
  • Skipping the 10-question DWV section.
  • Studying no isometric drawings.
  • Leaving water supply to the final day.
  • Guessing without reading code exceptions.
  • Practicing with no time limit.
  • Assuming passing alone allows work everywhere.

What Work Can a Tennessee Limited Licensed Plumber Perform?

Tennessee describes LLP as a limited individual plumbing credential. Its specific statewide requirement applies to covered projects below $25,000 in municipalities that use the Tennessee Division of Fire Prevention for permits or inspections. The Board also notes an exemption for general maintenance under $500. These rules should not be expanded into permission for every plumbing project in every location.

The plumbing work involved can include water and waste piping, fixtures, water heaters, valves, fittings, and related building plumbing installations, as allowed by law and local approvals. Larger construction work, utility connections outside the buildings, or activities requiring a contractor license may fall outside LLP authority.

Because local laws can differ, check the municipal or county licensing office before bidding or working. A license is only as useful as the work it legally covers. It is better to ask one more question at the permit desk than to pay for one expensive mistake later.

Scope: Limited licensed plumber, issued to an individual.

Project amount: Covered work less than $25,000.

Local jurisdiction: Always confirm licensing, permit and inspection rules.

Not included: Blanket authorization for full plumbing contractor work.

Tennessee LLP Versus Plumbing Contractor Classifications

The word “plumber” appears in several license names, but the legal scope is not identical. Match the credential to the projects you intend to perform.

Credential or Exam Purpose Key Difference
LLP: Limited Licensed Plumber Individual credential for qualifying limited plumbing work 40-question Prov test; 120 minutes; 73% passing.
CMC-A: Mechanical Plumbing Contractor Contractor classification for plumbing and gas piping work Separate contractor-level trade requirements, application and Business and Law.
CMC: Full Mechanical Contractor Broader mechanical contractor classification Covers authorized mechanical disciplines beyond plumbing.
Local Journeyman or Master Plumber May be regulated by a city or county Check the local authority for exams, experience and permit rules.
Tennessee Contractor Business and Law Separate contractor licensing examination Not normally a separate requirement for the basic LLP license.

Tennessee Plumbing Credentials at a Glance

CMC-A Mechanical Plumbing Contractor

Different Contractor Classification

  • Mechanical plumbing contracting
  • Plumbing and gas piping
  • Broader contractor application
  • Different trade examination
  • Board pre-approval where applicable
  • Documented trade experience
  • Contractor Business and Law generally required
  • Financial and insurance rules as applicable
  • Contractor monetary limit
  • Permits and code requirements
  • Piping and water systems
  • Contractor responsibilities

Best for: Applicants aiming for plumbing contractor projects outside LLP limits.

Explore CMC-A Plumbing Study Materials

Local Plumbing Licensing

City and County Rules May Differ

  • Local journeyman credentials
  • Local master plumber credentials
  • Permit policies
  • Inspection procedures
  • Possible additional exams
  • Experience rules
  • Scope limits
  • Local fees
  • Specific code editions
  • Municipal plumbing ordinances
  • Project-specific permits
  • Local board approvals

Best for: Workers who need to confirm authorization in a specific municipality.

Check the Tennessee LLP Local-Rule Warning

Six-Week Tennessee LLP Plumbing Exam Study Plan

Week 1

Plumbing Code and General Rules

  • Confirm current Prov reference list
  • Organize IPC chapters
  • Learn plumbing definitions
  • Review fixture basics
  • Study basic code tables
  • Practice plumbing math
  • Build an error log
Week 2

Drain, Waste, and Vent Systems

  • Learn traps and trap seals
  • Study sanitary drainage
  • Review vent arrangements
  • Practice cleanout rules
  • Find pipe sizing tables
  • Sketch basic DWV layouts
  • Complete short timed quizzes
Week 3

Isometrics and Pipe Drawings

  • Interpret vertical and horizontal lines
  • Follow branch connections
  • Identify vents in drawings
  • Review common fittings
  • Practice seven-question diagram drills
  • Revisit missed layouts
  • Learn how to check elevations
Week 4

Water Supply and Water Heaters

  • Study water distribution
  • Review water pressure and valves
  • Learn materials and joint methods
  • Practice backflow questions
  • Study water-heater safety
  • Review fixture supply rules
  • Check code exceptions
Week 5

Fuel Gas, OSHA and Mixed Review

  • Review fuel-gas basics
  • Study safe appliance connections
  • Practice common math conversions
  • Review ladder and excavation safety
  • Study PPE and tool safety
  • Mix all ten exam subjects
  • Retest weak categories
Week 6

Full LLP Practice Simulations

  • Complete 40 questions in 120 minutes
  • Train reference navigation
  • Review every missed answer
  • Repeat isometric practice
  • Check book marking rules
  • Confirm test appointment
  • Prepare licensing application information

How Hard Is the Tennessee Limited Licensed Plumber Exam?

The LLP exam is more focused than Tennessee contractor-level plumbing tests, but it still demands trade knowledge and careful code work. A candidate who installs fixtures every day may feel comfortable with the tools yet still struggle with an isometric drawing or an unfamiliar venting rule.

The two largest subjects, Drain, Waste, and Vent Systems and Isometrics, account for 17 of the 40 questions. That is more than two-fifths of the exam. Spending serious time on these topics is a practical way to improve readiness, as long as you keep the remaining subjects in your study plan.

A two-hour limit gives an average of three minutes per question. Use shorter items to build a little time cushion for math and drawings. Reference books are useful for checking rules, but they will not save you if you have never opened them before the exam.

Consistent practice is often easier than an all-night cram session. Study in manageable blocks, keep a log of mistakes, and check your progress with realistic timed practice tests.

Tennessee Limited Licensed Plumber Exam-Day Checklist

Pack permitted materials early and verify the test center instructions. The night before an exam is not the best time to discover that your reference is the wrong edition.

Do These Things

  • Confirm your Prov LLP exam appointment
  • Bring the required identification
  • Check the exact exam title
  • Use only authorized reference books
  • Inspect tabs and highlighting before leaving
  • Know how to find the IPC index quickly
  • Practice major plumbing code tables
  • Rehearse isometric reading
  • Remember the 120-minute limit
  • Know calculator rules for your appointment
  • Follow the testing center check-in process
  • Keep your exam-result documentation

Avoid These Mistakes

  • Assuming the old PSI format applies
  • Bringing a different plumbing license exam list
  • Carrying a book not on the approved list
  • Using loose notes or temporary tabs
  • Writing new notes inside exam references
  • Ignoring the ID rules
  • Rushing through the first page
  • Spending too long on one drawing
  • Neglecting OSHA or fuel gas
  • Confusing LLP and CMC-A prerequisites
  • Assuming you may start work before approval
  • Ignoring local requirements after licensing

Tennessee LLP Plumbing Study Books from Contractor Exam Preps

These are related Tennessee LLP products from Contractor Exam Preps. Check their current contents, pricing, course access and availability directly on each product page.

Tennessee LLP Books and Courses Rental Package

Highlighted & Tabbed Rentals • Six-Month Course Access

  • Five reference books on rental
  • Books supplied highlighted and tabbed
  • Six months of online course access
  • International Plumbing Code, 2021
  • Mathematics for Plumbers and Pipefitters, 8th Edition
  • Plumbing Basics for Contractors
  • International Fuel Gas Code, 2021
  • OSHA 29 CFR Part 1926
  • Drainage and venting study
  • Isometrics and math preparation
  • Reference navigation practice
  • Check current deposit and return conditions

Best for: Candidates who prefer rental references and a guided course together.

View LLP Books and Course Rental

Tennessee LLP Online Exam Prep Course

Online Study • Trade Topics • Reference Navigation

  • Organized plumbing study structure
  • Code review and lookup skills
  • Drain, waste and vent topics
  • Isometric drawing review
  • Plumbing math
  • Water supply and distribution
  • Fixtures and fittings
  • Water-heater concepts
  • Fuel gas subjects
  • OSHA safety review
  • Practice-focused preparation
  • Study from home on your own schedule

Best for: Candidates seeking a separate online learning option.

View the Tennessee LLP Online Exam Course

Tabs: Tennessee LLP Pre-Printed Tabs are also available separately.

Important book rule: Not every book in a five-book study package is necessarily permitted inside the current Prov exam room.

Contractor-level alternative: Tennessee CMC-A Mechanical Plumbing Books support a different license classification.

Tennessee Limited Licensed Plumber complete book package product image from ContractorExamPreps.com

Actual Tennessee LLP complete book-set artwork hosted by ContractorExamPreps.com.

Tennessee LLP study-book product image from the Contractor Exam Preps store. This image represents study materials, not a government-issued LLP license or passing guarantee.

Tennessee Limited Licensed Plumber Exam Prep Credential

LLP • Prov • 40 Questions • 120 Minutes • Open Book • Drain-Waste-Vent • Isometrics • Water Supply • Plumbing Code

  • Tennessee Limited Licensed Plumber
  • LLP Individual License
  • Tennessee Board for Licensing Contractors
  • Prov LLP Theory Exam
  • 40-Question Trade Examination
  • 120-Minute Open-Book Exam
  • 73 Percent Passing
  • Plumbing Work Under $25,000
  • Municipal Permits and Inspections
  • State License Application
  • Local Plumbing Requirements
  • Plumbing Code
  • 2021 International Plumbing Code
  • Plumbing Basics for Contractors
  • Mathematics for Plumbers and Pipefitters
  • Plumbing System Installation
  • Water Distribution
  • Water Service Piping
  • Pipe Materials
  • Valves
  • Pressure and Backflow
  • Water Heaters
  • Temperature and Pressure Relief
  • Fixtures and Faucets
  • Drainage Pipes
  • Sanitary Waste
  • Vent Piping
  • Traps and Trap Seals
  • Cleanouts
  • Fixture Branches
  • Pipe Slope
  • Plumbing Math
  • Fractions and Measurements
  • Isometric Drawings
  • Vertical Drain Pipes
  • Horizontal Branches
  • Pipe Fittings
  • Code Tables
  • Plumbing Definitions
  • Fuel Gas Systems
  • Gas Appliance Connections
  • Gas Piping Basics
  • Combustion Air
  • OSHA Safety
  • Construction PPE
  • Ladder Safety
  • Excavation Awareness
  • Open-Book Reference Navigation
  • Permanent Tabs Where Allowed
  • Highlighted Plumbing Books
  • Practice Examinations
  • Six-Week Study Plan
  • Exam Day Checklist
  • LLP Online Course
  • LLP Book Rental
  • Contractor Exam Preps

View the Tennessee LLP Complete Book Package

Frequently Asked Questions

Tennessee LLP Licensing

LLP means Limited Licensed Plumber. Tennessee issues this individual credential for certain smaller plumbing jobs where the state LLP program applies.

No. The LLP is a personal, limited plumbing license. It does not replace a Tennessee contractor license for work that requires one.

The Tennessee Board for Licensing Contractors oversees the LLP program and issues the credential to qualifying individuals.

The state LLP program covers qualifying plumbing projects with a total cost of less than $25,000 where the LLP rules apply. Projects at or above the contractor licensing threshold can require a contractor license.

No. The state describes LLP requirements in municipalities using the Division of Fire Prevention for permits or inspections. Always check whether the local government accepts the LLP license or has its own requirements.

Tennessee states that general maintenance work costing less than $500 is exempt from its LLP license requirement. Confirm whether any other state or local rules apply to the work.

Covered LLP plumbing work may include residential or commercial buildings, but the scope, job value, permits, and local rules matter. Do not assume every commercial project falls within the LLP license.

No. LLP is for covered work costing less than $25,000. At or above the contractor threshold, review the appropriate Tennessee contractor classification before bidding or contracting.

Tennessee currently lists $75 for an initial LLP application. Check the Board fee schedule again when you apply.

Tennessee directs applicants to submit the Initial Limited Licensed Plumber application through CORE, the state online licensing portal.

2026 Prov LLP Examination

Prov began administering newly scheduled Tennessee trade examinations starting July 1, 2026. Follow the current Tennessee exam information for your appointment.

The current Prov Limited Licensed Plumber exam outline lists 40 questions.

Candidates have 120 minutes, or two hours, to complete the current LLP exam.

The published passing standard is 73%. For practice, aim for at least 30 correct answers out of 40 and build a safety margin. Official scoring decisions belong to Prov.

Yes, but only approved references and compliant markings may be brought to the testing session. The exam provider's current bulletin governs the rules.

Tennessee's current exam provider administers the trade examination through its testing system. Follow the exact instructions in your Prov appointment confirmation.

Older Tennessee LLP pages and store listings were written for PSI. For new scheduling after July 1, 2026, follow the state's transition guidance and Prov documents.

The special CMC/CMC-A plumbing pre-approval requirement is for those contractor classifications, not automatically the LLP program. Use the separate LLP requirements published by the Tennessee Board.

The state LLP requirements list the LLP trade exam and individual application; they do not list the separate contractor Business and Law exam as an LLP licensing step. Contractor license applicants have different requirements.

Plumbing Subjects and Exam Weighting

Drain, Waste, and Vent Systems is the largest published LLP category, with 10 of the 40 questions.

Isometrics accounts for seven questions. Practice identifying pipes, fittings, elevations, directions, and the meaning of drawings.

Plumbing Math has two questions in the current outline. Fractions, measurement, slope and basic pipe calculations are still worth studying.

Yes. Water Supply and Distribution has four questions. Review piping, valves, materials, pressure, protection and code-related installation concepts.

Yes. Water Heaters has two questions and Fixtures & Fittings has two more.

Yes. Fuel Gas Systems is a four-question subject. Review piping, gas appliances, combustion air, ventilation and safe installation principles.

Yes. The current outline includes two OSHA Safety questions, so basic jobsite safety should be part of your study plan.

DWV means drain, waste and vent. These parts of the system remove wastewater while providing the venting needed for traps and proper drainage.

An isometric drawing presents piping in a three-dimensional-style view, helping you understand pipe directions, rises, drops, and connections. The LLP exam dedicates seven questions to this topic.

Books, Courses and Test-Day Rules

The current primary references described in Prov-aligned materials include the 2021 International Plumbing Code, Mathematics for Plumbers and Pipefitters, 8th Edition, and Plumbing Basics for Contractors, 4th Edition (2021). Verify the exact bulletin before testing.

Not necessarily. A package may contain additional fuel gas and OSHA books for studying. Only bring the references specifically approved by Prov for your LLP exam.

Current exam guidance allows certain compliant highlighting and permanently attached tabs. Handwritten notes, loose inserts and removable tabs may be restricted. Follow the current Prov bulletin.

The LLP book package includes plumbing code, plumbing math, practical plumbing, fuel gas, and construction safety study references. Check the live listing for its latest contents.

Yes. The Tennessee LLP online exam prep course provides a structured study option despite the older PSI wording in the link address.

Yes. The LLP books and course rental package combines rental study materials and course access. Check the product page for current terms.

Yes. The LLP pre-printed tab set is a separate study accessory. Confirm tab compliance and current book editions before using it at a test center.

Practice all ten subjects, review your approved books repeatedly, time your code lookups and complete 40-question practice sets within 120 minutes.

No. Study materials help you prepare, but passing and licensing depend on your exam results and the state's actual requirements.

After the Exam

No. You still need to complete the state LLP application and meet the Board's applicable identification, fee and other requirements.

No. Local governments may use their own licensing, permits and inspections. Verify the city or county's rules before accepting plumbing work.

Review the full Tennessee contractor licensing program and the CMC-A Mechanical Plumbing Contractor study pathway. The full contractor process is different from LLP.

Watch: How to Pass the Tennessee Limited Licensed Plumber LLP Exam

Watch this topic-specific 1ExamPrep YouTube video on how to prepare for the Tennessee Limited Licensed Plumber LLP examination. It complements the code, drawings, and trade-reference study plan described in this guide.

This is a study video from 1ExamPrep, not an official state bulletin. Confirm the current Prov rules and Tennessee licensing requirements with the testing provider and the Board.

Video creator: 1ExamPrep.

Topic: How to Pass the Tennessee Limited Licensed Plumber LLP Exam.

Exam authority: Tennessee Board for Licensing Contractors and Prov.

Tennessee LLP Study Books and Official Resources

Use the Contractor Exam Preps product links for study support and the official Tennessee and Prov information for current law, exam requirements, approved books, and application steps. Product availability can change.

Current LLP test: 40 questions, 120 minutes, 73% passing, open book.

Largest topic: Drain, Waste, and Vent Systems with 10 questions.

Credential: Individual limited plumbing license, not a full contractor license.

State initial application fee: $75; confirm latest requirements before applying.

Ready for Tennessee Limited Licensed Plumber Exam Prep?

The Tennessee Limited Licensed Plumber exam is a practical step for plumbing professionals who want the state's individual LLP credential. The license has a specific purpose: it covers qualifying plumbing work costing less than $25,000 per project in municipalities where the state LLP rules apply. It is not a full plumbing contractor license, and local requirements may still apply. Start by checking with the local authority where you plan to work. A quick phone call now can prevent a very expensive misunderstanding later.

The Tennessee Board for Licensing Contractors administers the license. As of October 2026, Prov handles newly scheduled LLP trade examinations. The current test has 40 questions, lasts 120 minutes, uses a 73% passing standard, and is open book with approved references. That gives you about three minutes per question. Some answers may take seconds, while a piping calculation or isometric drawing might need more thought. Practicing with a clock helps you see where the minutes actually disappear.

The exam outline has ten categories, but they are not equally sized. Drain, Waste, and Vent Systems contains ten questions and makes up one quarter of the exam. Isometrics follows with seven questions. These two areas account for 17 of the 40 questions, so they deserve plenty of study time. Code Requirements, Water Supply and Distribution, and Fuel Gas Systems each have four questions. General Knowledge, Plumbing Math, Water Heaters, Fixtures and Fittings, and OSHA Safety round out the outline.

A strong study plan starts with the current reference list. Contractor Exam Preps describes the 2021 International Plumbing Code, Mathematics for Plumbers and Pipefitters, Eighth Edition, and Plumbing Basics for Contractors, Fourth Edition, as primary Prov LLP references. A five-book study package may also include the 2021 International Fuel Gas Code and OSHA 29 CFR Part 1926. Those extra books can be useful for learning, but they are not automatically allowed in the testing room. Check the provider's current reference rules before carrying anything to the exam.

Give yourself six weeks of steady preparation if that timeline fits your experience. In the first week, learn how the plumbing code is organized. Then study DWV systems, water supply, and plumbing isometric drawings. Add math, fuel gas, fixtures, water heaters and safety. Use practice questions every week, not only during the final weekend. When an answer is wrong, find out why. Review the correct reference section and write down the topic for the next study session.

Contractor Exam Preps offers a complete LLP book package, an online course, prepared study options and a books-and-course rental package. Choose a format that helps you actually practice instead of collecting untouched books on the kitchen table. After you pass, complete the Tennessee online LLP application and pay the applicable state fee. The Board currently lists $75 for the initial application. Confirm the local licensing and permit rules before beginning work. The goal is both a passing result and safe, lawful plumbing work. With focused preparation, the licensing process becomes easier to manage.

Key Takeaways

  • License scope: LLP is an individual Tennessee limited plumbing credential for qualifying covered work costing less than $25,000, subject to local rules.
  • Exam details: Current Prov LLP testing uses 40 questions, 120 minutes, 73% passing, and approved open-book materials.
  • High-value subjects: DWV systems have 10 questions and isometrics have 7, for 17 of the 40 questions.
  • Reference books: Study the approved plumbing code, math and plumbing-fundamentals references, and confirm what is allowed at the exam.
  • Application: Passing is not the end. Finish the Tennessee LLP application, pay the applicable fee and check local permits and inspections.

Plain-Language Summary

Tennessee has a plumbing license called the Limited Licensed Plumber, or LLP. It is meant for certain plumbing jobs that cost less than $25,000. The state requires this license in municipalities that rely on the Tennessee Division of Fire Prevention for permits or inspections. Some towns have their own licensing rules, so a plumber should always ask the local government what is needed. Tennessee also says general maintenance work costing less than $500 is exempt from the LLP requirement. These details matter because LLP is not the same as a full plumbing contractor license.

The Tennessee Board for Licensing Contractors handles LLP licensing. An LLP is issued to a person, not simply to a business name. A candidate must pass the plumbing trade exam and complete the state's initial LLP application. The state currently charges $75 for the initial application, and the application is made through its CORE online system. Passing a test alone does not give permission to ignore any required license, permit, or inspection.

The current LLP trade exam is administered by Prov. It contains 40 questions, has a time limit of two hours, and requires a 73% passing result. The test is open book, but that does not mean you can bring any book you want. The testing provider allows certain references and applies rules to highlighting, tabs, notes, and loose papers. Always review the current candidate bulletin. The average time is three minutes per question, so it helps to know your books before the exam begins.

The two biggest study areas are drain, waste, and vent systems and plumbing isometric drawings. Together they make up 17 of the 40 exam questions. A DWV system carries wastewater away and uses vents to help everything drain properly. Isometric drawings show piping in a way that helps you understand directions, connections, and changes in height. Practice reading diagrams, identifying fittings, and following the movement of water through the system. These are skills that improve with repetition.

The test also asks about plumbing codes, water supply and distribution, fuel gas, general trade knowledge, math, water heaters, fixtures and fittings, and OSHA safety. Plumbing math includes measurements, slope and other practical calculations. Safety review includes common jobsite hazards and protective steps. Every topic deserves review.

Contractor Exam Preps sells Tennessee LLP study resources. Options include a five-book study set, an online exam prep course, a books-and-course rental package, and pre-printed tabs. Not every study book is an approved exam-room book, so read the Prov list before test day.

For a manageable schedule, study a little at a time over about six weeks. Start with the codebook and the exam outline. Move into DWV, water supply, diagrams, math, fuel gas and safety. Finish by taking practice tests using the real two-hour limit. When you are ready, follow the current Prov scheduling instructions, take the exam, and complete the Tennessee LLP application. Before starting paid plumbing work, check the local rules. Good preparation helps you understand plumbing and avoid avoidable licensing mistakes.