ICC T18 – Residential Electrician Exam Study Course

Pass Your T18 – Residential Electrician Exam (Online and self-paced)

If your state, county, or city licensing agency requires you to pass the ICC T18 Residential Electrician Exam, complete our online ICC exam preparation course. Enhance your career as a certified T18 Residential Electrician.



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Pass your ICC T18 Residential Electrician Exam.

Pass the T18 Residential Electrician Exam exam on your 1st attempt. Unleash the most effective and affordable T18 certification courses available. With help from TLC, passing your exam has never been easier! You will pass or your money back!

Because our courses work!

Our T18 Residential Electrician exam preparation course thoroughly prepares you to pass your ICC T18 exam the 1st time you test.

How? Because TLC Works! Our programs are among the most successful, comprehensive, & affordable ICC exam preparation programs available anywhere.

While using our program, the key to your success is the five-lesson breakdown of our curriculum, designed to maximize your learning & retention potential. When you follow our curriculum, YOU WILL PASS YOUR EXAM!

We provide a comprehensive strategy to pass the ICC T18 Residential Electrician exam while teaching you how to “navigate” the 2020 NEC. You will quickly become an expert at finding code answers to exam questions.

So why choose TLC to help pass the ICC T18 exam?
Because your time is too valuable to choose anyone else!


Five Reasons TLC can help you Pass the T18 Residential Electrician Exam.

  1. TLC has over fifteen years of experience educating electricians on navigating the code and passing ICC national contractor/trade exams. We are experts at helping students pass ICC Exams!
  2. A+ Rated with the BBB. Our Programs Work, we have never received a complaint. Check us out! 
  3. Our online study center contains eCourses, eManual, over 1300 multiple-choice T18 study questions, and randomized, timed, full-length simulated final exams.
  4. We guarantee that you will pass your examIf you don’t pass your T18 Residential Electrician exam after two attempts, we offer a full course refund. We offer a full refund, see details.
  5. We have a 98% Pass Rate!  Thousands of electricians have used our study courses. Our students pass the exam with a minimum of 50 hours of study time.

Consultants are available at 866-685-8564 – Mon-Fri, 7 am to 10 pm pst, to answer any of your questions.

Pass the ICC T18 – Residential Electrician Exam

Refresh your 2020 NEC Code knowledge. Successfully pass your ICC T18 Residential Electrician Exam. Preparing for your ICC T18 exam has never been easier! You will pass the ICC T18 exam.

ONE-YEAR ONLINE ACCESS: Accessible from any device with internet access!

How To Use Our Online Study Center

Our guided self-study schedule contains the following: 


  • Basic Electrical Theory
  • Basic DC Theory
  • Basic AC Theory
  • Ohms Law
  • Test Equipment
  • Electrical Theory Chapter Questions


  • Label Systems & Schematic Reading
  • Construction Drawing Tutorial
  • Blueprint Reading Chapter Questions

   Navigating the 2020 NEC – eManual

Our “NAVIGATING THE 2020 NEC” eManual helps students review the (NEC) National Electrical Code.
When you master the code, you master your Exam!

This eManual is the heart of the TLC T18 Training Program. It familiarizes you with the use, layout, and content of the 2020 NEC.

eManual includes:

  • The purpose and layout of the code
  • How to navigate the NEC
  • Codebook navigation exercises, speed drills
  • Using the Table of Contents
  • Breaking down questions by subject.
    • Keyword Identification, how to Identify the subject of a question for easy reference.
    • How to search for a code article by referencing the INDEX.
    • Code reference example questions with in-depth solutions.

Study Questions and Simulated Final Exams

  • GUIDED CHAPTER QUESTIONS This covers all T18 exam questions and answers within our course. (Organized as Question – Answer – Code Location.) These questions exist to provide a framework for you to practice locating the answers to questions through the use of your NEC Codebook. The process of constantly utilizing the code to answer practice questions will build up your speed and code knowledge to pass your electrical exam successfully.

Questions Include the following topic:

    • General Trade Knowledge Questions
    • 2020 NEC Code Questions
    • Calculation Questions (Load Calculations, Conduit Fill, etc.)


  • ONLINE FLASHCARDS: Virtual Flashcards provide individual randomized questions. This provides access to our entire question set and is an ideal setting to practice answering randomized exam questions. (Organized as Question – Answer – Code Location).


  • SIMULATED FINAL EXAM: Final exams simulate the experience of taking your actual T18 exam.

Simulated Finals Are:

    • Full length (Same number of questions as the T18 Electrical exam)
    • Timed (Same amount of time allowed as the T18 Electrical exam)
    • Randomized (Questions are assigned randomly; all exams are unique.)
    • Properly Balanced (All questions are balanced according to the Candidate Information Bulletin to guarantee a realistic exam simulation)

Take as Many Timed Final Exams as you Want! (Practice final exams help you rapidly gain confidence and knowledge to pass your T18 Exam effortlessly.)


ICC T18 Exam Breakdown

When performing electrical work in a city, county, or state that requires ICC T18 – Residential Electrician certification, that jurisdiction requires you to take and pass an ICC T18 examination based on the NEC.

You are allowed to use a copy of the 2020 NEC and any edition of Ugly’s Electrical References when taking your T18 exam.


  • General Knowledge – 12%
    • Electrical Theory and General Electrical Load Calculations
    • Code Definitions and Terms
  • Services and Service Equipment – 22%
    • Service Load Calculations
    • Service Equipment & Service Conductors
    • System Grounding and Bonding
  • Feeders – 13%
    • Load Calculations
    • Equipment Grounding
  • Branch Circuits and Conductors – 25%
    • Branch Circuit Calculations
    • Required Outlet & GFCI / AFCI Protection
    • Overcurrent Protection
    • Equipment Grounding
    • Conductor
  • Wiring Methods and Materials – 13%
    • Raceway Installations
    • Boxes and Enclosures
    • Flexible Cords and Cables
  • Equipment and Devices – 8%
    • Luminaires
    • Receptacles
    • Switches and Other Devices
    • Appliances and Other Equipment
  • Special Occupancies, Equipment, and Conditions – 7%
    • Swimming Pools and Similar Installations
    • Low Voltage Circuits
    • Alarm & Similar Systems

Please click the following link to read/download the ICC Candidate Information Bulletin.

This bulletin answers most questions raised by examination candidates. Please read it carefully; you will find it a helpful reference throughout your registration and examination process.

Schedule your ICC T18 exam at home, ONLINE, 24/7!

Take your exam at home via PRONTO (Proctored Remote Online Testing) or take your exam at any Pearson|VUE test center

Take your ICC T18 exam online with ICC PRONTO or take your test at the closest Pearson|VUE test center

ICC PRONTO provides an at-home option for taking your ICC exams 24/7.
CLICK HERE – For more information or to log into the ICC – PRONTO portal.

ICC Inspector exams can be taken in person at Pearson|Vue testing centers nationwide.
CLICK HERE – For more information or to set up an exam with Pearson|VUE.

Pricing for each exam is the same regardless if you choose Pearson|Vue or ICC PRONTO to administer your final exam.

PRONTO requirements /recommendations for taking the T18 exam

TEST-TAKING – Room: Where you take your final ICC exam.

  • Requirement: Only one person is allowed in the room; if someone else enters while you are testing, the Proctor will automatically eject you from the exam.
  • Recommendations: The room should be in a quiet place with a door that can remain shut. Again, make sure you are alone, comfortable, and fully prepared to stay in full view of the webcam for the duration of your exam.

Bathroom Breaks: You may take up to a 5-minute bathroom break any time during the exam.

  • Requirement: If a break exceeds the 5-minute mark, the Proctor will terminate the exam. The time clock continues to count down during any breaks. Additionally, a new desk scan is required before you are allowed to continue taking the exam.
  • Recommendations: Bathroom breaks waste your time. Be sure to take care of your business before your exam begins.

YOUR COMPUTER: You may use any PC or Laptop if it has a webcam, speakers, and a microphone

  • Requirement: Your computer must be connected to the internet. If using a laptop, use it as a stand-alone computer. Do not plug it into a docking station with monitors attached.

Required Operating System:

  • Windows XP – Windows 10
  • Mac OS X 10.8 (Mountain Lion) – 10.13 (High Sierra)

Internet Connection: You must have a stable internet connection

  • Requirement: minimum speed of 2MB, upload, and download.
  • Recommendations: While you can use WiFi, we highly recommend wired high-speed internet access, as WiFi may not be as stable.

Browser (with pop-up blocker disabled):

  • Google Chrome
  • Mozilla Firefox

ProctorU Technical Support

  • Call: 1-855-772-8678, Option 1
  • Before connection time, you can submit a support ticket
  • During connection time, live chat support will be available

OR Take your ICC T18 Exam at the Closest Pearson|VUE Test Center

ICC exams are available at Pearson|VUE testing centers across the country.
CLICK HERE – For more information or to set up an exam with Pearson|VUE. 

IMPORTANT: ICC has been split into different testing programs on its website. You will need to know the three-digit exam code before registering for your Contractor/Trades exam. Each testing program will require a unique username and password.

The Contractor/Trades program is also split into exams that require pre-authorization and exams that do not require pre-authorization. View the current exams that require pre-authorization OR do not require pre-authorization.

To create an account, schedule an exam, view exams, or find a test center, please go to home.pearsonvue.com/icc/license.

About the ICC T18 Residential Electrician exam

This information regarding the ICC T18 exam is provided to you as a courtesy. Check with ICC at www.iccsafe.org and/or Pearson|VUE at www.pearsonvue.com/icc to verify this information’s accuracy.

  • Contact the appropriate building department for specific licensing requirements.
  • Passing an ICC national standard exam is NOT a license to practice and does not guarantee a license in any jurisdiction.
  • To acquire a license to practice, you must apply to the specific state licensing agency or building department and meet all of their licensing requirements.

2020 NEC Softcover
Required Codebook (Sold Separately) $155.65

Adopted in all 50 states, NFPA 70, National Electrical Code (NEC), is the benchmark for safe electrical design, installation, and inspection to protect people and property from electrical hazards.




Codebook Navigation Aid (Sold Separately) $13.45

Tab your Codebook. Fast-Tabs help you navigate the 2020 NEC quickly and efficiently. Fast-Tabs are a must-have item for NEC users and can dramatically lower the time spent searching through the codebook.

You are allowed to use NEC Fast-Tabs when taking your T18 Exam!

Take our Free ICC T18 – Residential Electrician Exam

Pass this 20-question free T18 Residential Electrician test, and learn where you stand! These free T18 electrician practice questions, based on the 2020 NEC, are similar to those on the T18 Residential Electrician exam.


The ICC T18  exam is a 60-question test randomly selected from a database of thousands of potential questions. Memorizing answers is not the path to passing your exam!

If you understand how to break down exam questions and locate exam answers in your codebook, you should be able to answer 100% of these practice questions correctly.

We teach you how to quickly navigate your codebook & pass your exam. “Master The Code, Master The Exam!“

Use the 2020 NEC Codebook to solve ICC T18 practice exam questions.

For a one-family dwelling with a 200 ampere, 120/240-volt, single-phase main service panel, supplied with size 2/0 AWG THW copper ungrounded service-entrance conductors in rigid metal conduit (RMC), what is the minimum allowed size of bonding jumper for the service-entrance conduit?
With 15-kW or less on portable generators manufactured before __________, listed cord sets or adapters incorporating listed GFCI protection are allowed to be used to meet the GFCI requirement.
What is the minimum size THW copper branch-circuit conductor required by the NEC for a 3-phase, continuous-duty, ac motor drawing 70 amperes for phase, when all terminations are rated for 75° C?
Electrical nonmetallic tubing (ENT) shall be securely fastened in place within __________ of each cabinet, device box, fitting, junction box, or outlet box where it terminates.
What is the minimum size for a copper grounding electrode conductor attached to the concrete-encased steel reinforcing bars used as a grounding electrode, when the ungrounded service-entrance conductors for a residence are size 3/0 AWG copper conductors?
The material selected for a grounding electrode conductor should be protected from corrosion or resist any __________ condition extant at the installation.
If the sum of PV system voltages of two monopole subarrays in a bipolar PV system exceeds the rating of the conductors and connected equipment, they must __________ .
A location used to house four or more persons incapable of self-preservation due to age; mental limitations, mental illness or chemical dependency; or physical limitation due to accident or illness on a(n) __________ basis is a limited care facility.
Grounding electrode conductor or bonding jumper connections to a grounding electrode must be accessible. A buried or encased connection in a __________, buried, or driven grounding electrode is not required to be accessible.
What is the minimum rating for a service disconnecting means when supplied with a 120/240-volt, 3-wire, single phase service for a one-family dwelling?
For required disconnecting means for a fluorescent luminaire, which of the following statements is true?
General-use dimmer switches shall be used only to control permanently installed __________ luminaries (lighting fixtures).
On a metal wireway cross-section, what is the maximum percent that may be occupied by conductors, splices, and taps at any point?
What is the minimum volume, in inches, required of a two (2) gang device box that is to contain two (2) size 14/2 AWG with ground NM cables and two (2) size 12/2 AWG with ground NM cables connected to a duplex receptacle connected to a single-pole switch, which also contain four (4) cable clamps?
What is the minimum allowable trade size intermediate metal conduit (IMC) required to contain a total of ten (10) copper THW conductors in a 20 foot run, five (5) size 1 AWG and five (5) size 3 AWG?
What is the minimum size THWN branch circuit conductor required for a 20 HP, 480-volt, 3 Phase Induction type squirrel cage motor with nameplate FLI of 26.5 amps?
Lighting and trolley busway must be installed __________ft. or more above the floor or working platform, unless a cover is provided that is identified for the purpose.
During lightning events, limiting the length of the primary protector grounding conductors for communications circuits assists in reducing voltage between the buildings communications systems and __________.
What is the minimum volume, in inches, required of a two (2) gang device box that is to contain two (2) size 14/2 AWG with ground NM cables and two (2) size 12/2 AWG with ground NM cables connected to a duplex receptacle connected to a single-pole switch, which also contain four (4) cable clamps?
What is the demand factor applied in calculating feeder or service conductor load for a commercial kitchen having four electrical ovens?
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