Inside a module
This is what a module looks like
Every module has three parts. Try them here with the voltage drop module.
A short lesson that works one problem step by step.
2 min 20 s. Captions are built into the video.
- Full working for every answer
- Timed like the exam
- On your phone, no app to install
Tracer is a fictional character.
The problem
pass rate on the Master calculations exam, Dec 2025 to Feb 2026 (Texas licensing agency exam statistics)
pass rate on the Journeyman calculations exam in the same period
average first-attempt score on Journeyman calculations. You need 17 to pass.
The exam is open book, but the clock is not on your side. Each question takes several steps and one wrong table lookup costs you the point. Most people who retake it without changing how they study fail again.
What is covered
- Voltage dropAvailable now
- Conductor sizing and ampacityIncluded
- Ampacity correction and adjustmentIncluded
- Box fillIncluded
- Conduit and raceway fillIncluded
- Motor calculationsIncluded
- Dwelling service loadIncluded
- Commercial and multifamily load calculationsIncluded
- Range, dryer and appliance demand factorsIncluded
- Transformer sizing and protectionIncluded
- Ohm’s law and powerIncluded
- Solar PV and EV charging loadsIncluded
What you get today
Available now: the Voltage Drop module with a video lesson, a five-page workbook chapter and a 10-question practice set. All other modules are included in your purchase and appear in your course as they are released. Your 90 days of access do not start until every module is released.
Pick your exam
What you get today is listed above. The rest is added as it is released.
Journeyman Calculations
26 questions · 110 minutes · 70% to pass
- Step-by-step video lesson for each module
- Workbook (PDF) with worked examples
- Practice sets with the full working shown
- Timed like the real exam
- Built on the 2026 NEC
- 90 days of access after the full release
Master Calculations
33 questions · 170 minutes · 70% to pass
- Step-by-step video lesson for each module
- Workbook (PDF) with worked examples
- Practice sets with the full working shown
- Timed like the real exam
- Built on the 2026 NEC
- 90 days of access after the full release
Journeyman + Master
Both examsBoth calculation courses in one package
- Step-by-step video lesson for each module
- Workbook (PDF) with worked examples
- Practice sets with the full working shown
- Timed like the real exam
- Built on the 2026 NEC
- 90 days of access after the full release
Prices in US dollars. Sales tax is added at checkout where required. Secure payment by Stripe.
Available to customers with a US billing address only.
Questions
Is this only for Texas?
We are starting with the Texas Journeyman and Master exams. The calculation methods come from the national code, so most of it applies in other states too. Write to us if you want your state covered.
Which code edition do you use?
The 2026 edition, which the Texas exams have been based on since September 1, 2026.
Are you affiliated with the state or the exam provider?
No. Pass the Calc is an independent study tool. It is not affiliated with or endorsed by the Texas Department of Licensing and Regulation, PSI or the National Fire Protection Association.
Do you use real exam questions?
No. Real exam questions are confidential. Every problem is written by us to match the published exam content outline.
Do I still need my own code book?
Yes. The exam is open book and we do not reproduce the code. We teach you which article and table to use and how to work the numbers.
What do I get today?
Available now: the Voltage Drop module with a video lesson, a five-page workbook chapter and a 10-question practice set. All other modules are included in your purchase and appear in your course as they are released. Your 90 days of access do not start until every module is released.
How do I get access?
Right after payment you see your personal access link. Save it. It opens your course on any phone or computer. No password and no app to install.
What does it cost?
Journeyman Calculations is $49, Master Calculations is $69, and both together are $99. These are launch prices. One-time payment, no subscription.
How long do I have access?
From the day you buy until 90 days after the last module is released.
Can I get a refund?
All sales are final once access has been granted. If something is wrong with your access or a charge, write to us and we will fix it. Details are in our Terms & Refund Policy.
Release list