I Failed the Texas Electrician Exam - Here's My Study Plan to Pass

If you just failed the Texas journeyman electrician exam, take a breath. You are in the majority. In fiscal year 2024, only 27.86% of exam attempts resulted in a pass. That means roughly 6,125 out of 8,490 attempts ended in a failing score. After the new 2-part format took effect in March 2025, the numbers got even worse: the Calculations portion pass rate dropped to 20.56% and the NEC Knowledge portion to 24.46%.

Failing is frustrating, especially when the exam costs $78 per attempt and you have taken time off work to sit for it. But here is the important thing: the data shows that candidates who fail and come back with a structured study plan have a strong chance of passing. First-time takers pass at roughly 60%, which tells us the exam is very passable with the right preparation. The low overall rate is driven down by repeat takers who keep using the same ineffective approach.

This guide gives you a different approach.

Step 1: Understand Why You Failed

The Texas exam does not give you a detailed score breakdown, but you do learn whether you failed the NEC Knowledge portion, the Calculations portion, or both. Start there.

If You Failed the Calculations Portion

This is the most common outcome. The Calculations portion has the lowest pass rate at 20.56%. The reasons candidates fail this section usually fall into a few patterns:

Not enough practice with actual calculations. Reading about how to do a load calculation is different from doing one under time pressure with a codebook. You need hands-on repetition.

Weak formula recall. Voltage drop, motor FLC sizing, and conductor derating all require applying specific formulas. If you have to look up the formula and figure out how to use it during the exam, you are burning time you do not have.

Poor time management. You have 110 minutes for 26 questions, roughly 4 minutes each. Multi-step problems like dwelling unit load calculations can take 10+ minutes if you are not efficient. If you spent too long on a few hard problems, you may have rushed through easier ones.

If You Failed the NEC Knowledge Portion

Candidates who fail the NEC Knowledge section usually struggle with:

Slow codebook navigation. The section has 59 questions in 130 minutes, about 2 minutes each. If you cannot find the right code section quickly, you will run out of time.

Incomplete tabbing. A poorly tabbed codebook means wasted minutes on every question.

Confusion between similar code sections. The NEC has many sections that address similar topics (like different grounding requirements in Articles 250, 230, and 300). If you cannot quickly identify which section applies to a specific scenario, you will pick wrong answers.

If You Failed Both Portions

If you failed both portions, your preparation likely had a fundamental gap. You may have relied too heavily on one resource, studied the wrong topics, or did not practice under exam conditions. The 6-week plan below addresses all of these issues.

Step 2: The 6-Week Recovery Plan

You can retake the exam after just 24 hours, but do not rush. Give yourself 4 to 6 weeks of focused study to address your weak areas. This plan assumes you are studying 10 to 15 hours per week.

Week 1: Diagnose and Reset

Day 1-2: Take a full-length diagnostic practice test under exam conditions. Time yourself. Use only your NEC codebook. Score yourself honestly.

Day 3-4: Analyze your results. For every question you got wrong, write down:

What the question tested
Which NEC section contains the answer
Why you got it wrong (did not know the concept, could not find it in the code, ran out of time, or misread the question)

Day 5-7: Categorize your mistakes into themes. You will likely find that 60-70% of your errors cluster in 3-4 topic areas. These are your priority focus areas for the next 5 weeks.

Take our free diagnostic quiz to identify your weak areas.

Week 2: Rebuild Your Codebook Navigation

If you failed the NEC Knowledge portion, or if your diagnostic showed slow lookup times, spend this week on speed.

Re-tab your codebook. If your tabs fell off, were poorly placed, or were incomplete, start fresh. Follow a systematic tabbing approach with chapter tabs on the right edge, article tabs on the top edge, and table tabs for Chapter 9.

Practice timed lookups. Have someone call out code references while you race to find them. Your target: any tabbed section in under 10 seconds, any section in the book in under 30 seconds.

Learn the NEC index. Spend 30 minutes each day just browsing the index. Learn the keywords that point to the sections you need most. The index is often faster than tabs for unusual questions.

Read our complete NEC tabbing guide

Week 3: Attack Your Weakest Calculation Topic

Look at your diagnostic results and pick the calculation category where you scored the lowest. Spend the entire week on just that one topic.

If Conductor Sizing is your weakness: Work through 30+ conductor sizing problems. Practice applying temperature correction factors, adjustment factors, and the terminal temperature rule until the process is automatic.

If Load Calculations are your weakness: Do 10 complete dwelling unit load calculations from scratch. Time yourself. Get comfortable with Tables 220.42, 220.54, and 220.55.

If Motor Calculations are your weakness: Practice the full motor circuit sizing process: FLC from tables, conductors at 125%, OCP from Table 430.52, overload at 115%. Do at least 15 motor problems.

If Voltage Drop is your weakness: Memorize the formulas (single-phase and three-phase). Practice 15+ problems using Chapter 9, Table 8 for circular mil values.

Week 4: Attack Your Weakest NEC Knowledge Topics

Same approach as Week 3, but for the NEC Knowledge areas. Focus on the TDLR content outline percentages:

If Wiring Methods (22.5%) is weak: Study Article 300 general requirements, Table 300.5 burial depths, and specific wiring method articles (320, 330, 334, 344, 348, 350, 358).

If Branch Circuits (18.75%) is weak: Focus on Article 210, especially GFCI (210.8) and AFCI (210.12) protection requirements, and receptacle outlet spacing rules (210.52).

If Grounding/Bonding (7.5%) is weak: Study Article 250 with emphasis on Tables 250.66 and 250.122, the grounding electrode system (250.50), and service grounding (250.24).

If Special Occupancies (11.25%) is weak: Review Articles 500-590, focusing on classification of hazardous locations (Class I, II, III; Division 1, 2; Zone 0, 1, 2) and healthcare facilities (Article 517).

Week 5: Full Practice Exams

Take at least three full-length practice exams this week, each under real conditions:

Exam 1 (Monday): Full NEC Knowledge (59 questions, 130 minutes) + Calculations (26 questions, 110 minutes). Score yourself. Review every wrong answer.
Exam 2 (Wednesday): Same format. Focus on applying the lessons from Monday's review. Track whether you are making the same mistakes or new ones.
Exam 3 (Friday): Same format. Your score should be trending upward. If it is not, you need to spend more time on the areas you are still getting wrong.

Between exams, review your errors intensively. Every wrong answer is a study opportunity. Find the NEC section, read it, and practice looking it up quickly.

Week 6: Final Review and Confidence Building

Day 1-3: Review your most-missed topics one more time. Focus only on the areas where you are still making errors.

Day 4-5: Take one more full practice exam. This should be your best score yet. If you are consistently scoring 75%+ on both portions in practice, you are ready.

Day 6: Light review only. Re-read Article 100 definitions. Flip through your tabbed codebook to reinforce tab locations. Do not try to learn new material.

Day 7 (Exam Day): Get a good night's sleep. Arrive early. Trust your preparation.

Five Mindset Shifts for Retakers

1. Stop Studying Everything Equally

The TDLR content outline tells you exactly how much of the exam covers each topic. If Wiring Methods is 22.5% and Special Conditions is 3%, spend 7x more time on wiring methods. Weight your study time to match the exam weight.

2. Practice With the Code, Not About the Code

Reading summaries and study guides is useful for understanding concepts, but the exam tests your ability to find and apply code sections under time pressure. Every study session should involve your actual NEC codebook.

3. Time Yourself on Everything

If you practice without a timer, you are building a false sense of confidence. The exam's difficulty comes largely from the time constraint. Practice at exam speed or faster.

4. Treat Wrong Answers as Learning Gold

Every question you get wrong in practice is a question you will not get wrong on the real exam, if you take the time to understand why you missed it. Do not just check the answer and move on. Find the NEC section, understand the rule, and practice similar problems.

5. Do Not Change What Worked

If you passed one portion on your first attempt, do not neglect it while focusing on the failed portion. Spend 70% of your time on the failed section and 30% maintaining the section you passed.

Logistics for Your Retake

When can you retake? After a 24-hour waiting period. However, most candidates benefit from 4-6 weeks of focused study before retaking.

How to reschedule: Schedule your retake through PSI Exams at psiexams.com. The fee is $78 per attempt.

What to bring: Valid photo ID and your soft-bound 2023 NEC codebook (2026 NEC after September 1, 2026). PSI provides scratch paper and pencils.

Can you retake just one portion? No. As of the current format, you retake the full exam (both portions). Even if you passed one portion previously, you must pass both again.

You Are Closer Than You Think

The fact that you have already taken the exam once is an advantage. You know what the testing center feels like, you know the pace of the exam, and you know which topics tripped you up. First-time takers do not have that information.

The difference between a failing score and a passing score is often just a few questions. On the NEC Knowledge portion, passing requires about 41 out of 59 questions correct. On the Calculations portion, it is about 18 out of 26. A targeted 6-week study plan focused on your specific weak areas can easily make up that gap.

Start your recovery with our free diagnostic quiz and build your study plan around the results.

Sources:

Texas Department of Licensing and Regulation (TDLR) - Electrician Exam Statistics, Fiscal Year 2024
TDLR - Electrician Exam Statistics, Fiscal Year 2025
TDLR - Electrician Exam Information
PSI Exams - TDLR Electrician Exam Candidate Information
National Fire Protection Association - NFPA 70: National Electrical Code, 2023 Edition