Texas Electrician Exam Prep
TXEverything you need to prepare for the Texas Journeyman Electrician exam - free NEC calculators, licensing info, and exam prep tools.
Texas Licensing Requirements
What You Should Know
- Open-book exam - you can bring your NEC codebook
- 85 questions split into NEC Knowledge (59 questions, 130 min) and Calculations (26 questions, 110 min)
- Must complete 8,000 hours under a licensed Master Electrician
- License must be renewed annually with continuing education
Free NEC Calculators & Tools
These tools work with the 2023 NEC used in Texas. No sign-up required.

Conduit Fill Calculator
FreeCalculate conduit fill percentage per NEC Chapter 9. Select conduit type, size, and wire configuration to verify code compliance.

Voltage Drop Calculator
FreeCalculate voltage drop for any circuit. Verify compliance with the NEC 3% branch circuit and 5% total drop recommendations.

Box Fill Calculator
FreeCalculate electrical box fill per NEC 314.16. Add conductors, clamps, devices, and grounds to verify box capacity.

Breaker Size Calculator
FreeDetermine the correct breaker size for your circuit. Accounts for continuous and non-continuous loads per NEC 240.6(A).

Ohm's Law Calculator
FreeCalculate voltage, current, resistance, and power using Ohm's Law. Enter any two values to find the other two.

Wire Size Calculator
FreeFind the right wire size for your circuit. Accounts for ampacity, temperature derating, bundling, and voltage drop.
Texas Exam Prep
Coming SoonA full practice platform designed for the Texas Journeyman Electricianexam. Here's what we're building:
- Question bank based on the 2023 NEC
- Timed practice exams in PSI format
- Progress tracking & weak-area analysis
- Texas-specific licensing info and study guides
Get Notified When Texas Exam Prep Launches
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