What Happens If You Fail One Portion of the Texas Electrician Exam

What changed, and what it means for you

TDLR administers the Texas electrician examinations through PSI. Effective 11 March 2025 the journeyman examination is delivered in two portions that are scored separately: one on locating and applying rules in the National Electrical Code, and one on calculations. The master examination is likewise split into a knowledge portion and a calculations portion.

The practical consequence is that a failure is now diagnostic. You do not walk out knowing only that you fell short. You walk out knowing which half fell short, which tells you exactly what the next six weeks should look like.

This two-portion structure is specific to Texas. Other states set their own formats, and many score a single combined examination. If you are testing anywhere else, ask your board how its exam is scored before assuming anything on this page applies to you.

First: check the clock, not the score

Texas gives you one year from the date TDLR receives your application to satisfy every remaining requirement, including passing the examination. That clock does not pause because you failed a portion.

So before you plan any studying, work backwards from that deadline. Decide the date you will retake, book it, and fit the preparation into what is left rather than studying until you feel ready and then discovering the window closed. Candidates lose applications this way far more often than they lose exams.

Texas facts, from TDLR and PSI publications. Confirm current fees, scheduling rules and the adopted NEC edition in PSI's Candidate Information Bulletin before you test.

If you failed the Calculations portion

This is the more common outcome, and the published numbers support that: TDLR's May 2026 staff report puts the Master Calculations pass rate at about 19%, the lowest figure in the report.

Calculations fail for one of three reasons, and the fix differs for each.

• Method not automatic. You recognise a worked example but cannot produce one under time pressure. Fix: work each calculation family by hand, five times, on five separate days. Recognition is not production.
• Right method, wrong factor. You set the problem up correctly and apply the wrong demand factor, the wrong adjustment, or the wrong column. Fix: build a one-page decision list for each family — which condition sends you to which factor — and rehearse the decision, not the arithmetic.
• Slow. The method is sound and you run out of clock. Fix: time every calculation from now on, and write your working legibly, because most of the lost time is spent re-reading your own scribble.

Work the standard families until each is boring: dwelling and service loads with their demand factors, conductor sizing and ampacity adjustment, box fill, motor branch circuits and overcurrent protection, voltage drop, transformer and grounding sizing.

If you failed the NEC Knowledge portion

TDLR's May 2026 staff report puts the Journeyman NEC Knowledge portion at about 22%. Failure here is almost never a knowledge problem. It is a navigation problem: you knew the answer was in the book and could not reach it in time.

Three fixes, in order of impact.

1. Tab your own book and study from that book. Tab by function, not chapter number, and discard any tab you never reach for.
2. Time every lookup. The target is landing on the governing article or table in under 60 seconds for a familiar subject. Record which chapter you searched first when you were wrong — that list is a map of where your mental index disagrees with the book.
3. Chase the exception. Knowledge questions are frequently built so that the general rule is a decoy and the answer turns on an exception or a table note. Practise reading one level past the sentence that looks like the answer.

The full method is in how to study for an open-book electrical code exam.

Check the code edition before you rebook

Texas exams reference NEC 2026 from 1 September 2026. If you sat your first attempt against the previous edition, your retake may be written to a different one. Confirm the adopted edition in PSI's Candidate Information Bulletin before you buy a book or start studying, because preparing against the wrong edition is a second failure with extra steps.

Studying one portion without paying for both

Most exam prep is sold as one product covering everything, which is poor value when you have already passed half the exam. CortovaVoltPrep sells the two lanes separately for exactly this case.

The $399 Full Pass price is the founder price for the first 100 paid enrollments; it rises to $499 and then $699. A single-lane purchase can be upgraded to Full Pass by paying the difference. Every item is originally authored and referenced to a location in the Code with a taught explanation, and the course runs on NEC 2023 and NEC 2026 with a toggle. Check the edition for your state on the state index, or start at voltprep.cortova.net/start.

For the wider Texas picture — hours, the application, renewal and continuing education — see how to get a Texas journeyman electrician license.