Journeyman
Electrician Exam
Free practice test

Pass the journeyman electrician exam

Practice 1,000+ questions on the 2023 NEC, take timed mock exams and use seven field calculators. Start with 20 free questions.

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1,000+Questions

Timed mock exams 7 field tools

Try a question

Every question has a full explanation and the NEC section to look up. Calculation questions show every step.

Take all 20 free questions

Sample question · Electrical theoryA 120-volt circuit supplies a resistive load of 24 ohms. How much current flows?
Show answer

Answer: D. 5 A.

Ohm's law says current equals voltage divided by resistance. 120 V divided by 24 ohms gives 5 A.

  1. I = E / R
  2. I = 120 V / 24 Ω
  3. I = 5 A

Everything you need to get exam-ready

Know when you're ready screen in the app
Know when you're readyA readiness score against the 80% pass line.
Find it in the NEC screen in the app
Find it in the NECEvery answer names the code section.
Calculations, step by step screen in the app
Calculations, step by step360+ worked solutions.
Explain it simpler screen in the app
Explain it simplerPlain-language help from on-device AI.
Timed mock exams screen in the app
Timed mock exams50 questions, two minutes each.
Seven field calculators screen in the app
Seven field calculatorsVoltage drop to conduit bending.
Fix your weak spots screen in the app
Fix your weak spotsAccuracy by exam topic.

Study guides and free tools

Start with the practice test, then work through the guides. The calculators use the same math as the app.

Seven calculators for the exam and the job site

  • Voltage dropFree on the web

    Drop, percent and the wire size that fixes it.

  • Ohm's lawFree on the web

    Volts, amps, ohms and watts from any two.

  • Conduit offset

    Bend spacing and shrink for any offset.

  • Conduit bending

    3- and 4-point saddles, kicks and rolling offsets.

  • Transformer current

    Primary and secondary amps, or kVA from amps.

  • Power factor

    kW, kVA, kVAR and power factor.

  • Series and parallel

    Total resistance for up to 8 resistors.

Questions about the app

Is the app free?

Yes, to start. Twenty practice questions and the voltage drop and Ohm's law calculators are free. Pro unlocks every question, timed mock exams, all seven calculators and Explain it simpler, as a monthly or yearly subscription or a one-time purchase.

Which NEC edition does it cover?

The 2023 NEC. Support for the 2026 edition is coming. Some states, such as Texas, already test on the 2026 edition, so check your candidate bulletin.

Which devices does it work on?

iPhone and iPad running iOS 26 or later. Explain it simpler needs a device that supports Apple Intelligence.

Do I need an account or internet?

No account. Your progress stays on your device, and practice works offline.

Can I use it instead of the code book?

No. The app helps you practice and learn where answers are. On exam day you'll use the NEC itself, so study with your code book open.

When is it available?

It's coming soon to the App Store. The free practice test on this site uses the same 20 questions the app gives you free.

Study 20 minutes a day. Walk in ready.

Practice on your iPhone or iPad with questions written to the 2023 NEC.

Coming soon to theApp StoreTake the free practice test