For English-language creators and instructors considering a Tsai Electro book demonstration. Start by inspecting the material and deciding whether it fits your audience. We publish these workbooks.
Choose the relevant exam
- Texas Journeyman: 2026 NEC workbook, 486 questions, two two-part practice mocks.
- Texas Master: 2026 NEC workbook, 450 questions, two two-part practice mocks.
- California General: 2023 NEC workbook, 530 questions, three 100-question practice mocks.
A workbook reference basis is not evidence of the requirements for every examination date. Check the learner’s current official instructions.
Inspect a complete example
Show the given conditions, ask the learner to choose an operation, then open the worked answer. For the public power-factor example, 240 V × 10 A = 2,400 VA and 1,920 W ÷ 2,400 VA = 0.80. Reversing that ratio gives the tempting 1.25. This is a supplied-data theory exercise, not an instruction to work on energized equipment.
Open the complete example and incorrect-answer explanations.
Give the learner a useful next step
Try the ten-question calculation check and use the free mistake log, study plan and reference checklist. The answers and blank tools do not require an email address, purchase, review, wishlist entry or affiliate-link click.
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Discuss a specific teaching collaboration
Send the exam your audience is preparing for, a public audience/channel link, and the example or teaching format you want to discuss. Do not send student lists or private work records.
Suggest a teaching collaboration
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See identifiable book editions and formats · Compare the three workbooks
