Texas · Calculations
Failed Calculations?Start here.
Calculations is its own score. TDLR’s FY2025 table shows how often that row was failed. The next step here is the free load and power sections, then a timed calculations exam.
What if you just took the free test?
Full Access is $19/month for this exam.
TDLR FY2025 · 70% to pass · NEC 2026
70%
Pass line tracked
2026
NEC edition
220
Free questions
Journeyman Calculations, Fiscal Year 2025 (year total)
This is one row on TDLR’s year-total table. The fail count is scored attempts, not a headcount of people. It is not a promise about your next sitting. A different row named Journeyman is 27.52% on that same table. That row is not the Calculations portion.
- Passed
- 1,301
- Failed
- 5,027
- Tot
- 6,328
- Pass rate
- 20.56%
- No-show
- 499
Tot is pass plus fail. No-shows are outside the 20.56% rate. PSI lists this portion as 26 items, including 2 non-scored, 110 minutes, 70% correct to pass. The bulletin lists $78 for both portions, and $78 to retake a portion or both. Time left on NEC Knowledge does not roll over.
Where to practice
Three stops. The first two are free. The timed exam is in the practice app with Full Access.
- 20 free questionsLoad calculationsDwelling load steps. The figures are printed in the problem. No NEC table is copied here.
- 20 free questionsPower and voltage dropCurrent, three-phase power, voltage drop, and transformer current. Answers are on the page.
- Full AccessTimed calculations exam110-minute pace, scaled to the questions in the bank. A blank counts as wrong.
Read the Calculations row
TDLR’s Fiscal Year 2025 (year total) table has a row named Journeyman Calculations: 1,301 passed, 5,027 failed, 6,328 scored attempts, a 20.56% pass rate, and 499 no-shows. That fail count is scored attempts TDLR published. It is not a headcount of people, and it is not a promise about your next sitting.
The same table has a different row named Journeyman at 27.52%. Do not use that row as the Calculations result. Journeyman NEC on that table is 24.46%.
What you are retaking
The PSI bulletin lists the Calculations portion as 26 items, including 2 non-scored items, 110 minutes, and 70% correct to pass. Time left on NEC Knowledge does not carry into Calculations. You need 70% on each portion. Passing knowledge does not erase a calculations miss. Bring a soft-bound 2026 National Electrical Code. Loose-leaf, spiralbound, and ring-bound copies are not allowed.
The bulletin lists $78 for both portions, and $78 again if you fail a portion or both. Confirm the current fee on the bulletin before you reschedule.
Start with the free math sections
Calculations practice on this site is open-book arithmetic with the figures printed in the problem. The free load-calculations section is 20 questions on dwelling load steps. The free power section is 20 questions on current, three-phase power, voltage drop, and transformer current. Answers are on the page. No signup. Neither page reprints an NEC table.
The free diagnostic is 20 questions, with no account, if you want a mixed score before you open a section. About six of those items are calculation work, scored at 70% on their own.
Then put a clock on it
The timed calculations exam in the practice app scales the 110-minute pace to the items in the bank. Full Access is $19/month for this exam and opens that exam, plus the rest of this bank and the topic drills. A blank counts as wrong on the timed exam.
One Pass Prep is not affiliated with TDLR or PSI. These questions are original. They will not match a PSI form item for item. If this page and your codebook disagree, the book you are allowed to carry is the one that counts.
Sources
The numbers on this page come from these public pages. If a bulletin changes, the bulletin wins.
- TDLR electrician exam information
Two-part exam since March 11, 2025, open book, 2026 NEC, soft-bound rule, 70% to pass, photo ID, and the link to the PSI bulletin.
- TDLR FY2025 electrician exam statistics
Year-total pass, fail, scored-attempt, and no-show counts.
- PSI candidate information bulletin (Journeyman Electrician, English)
Item counts, time limits, the $78 fee, and the reference-material rules. TDLR links this bulletin from its exam page.
One Pass Prep is not affiliated with TDLR or PSI.