Master-level NEC prep that puts the math first.

Coming next · $179 at launch

Advanced NEC mastery for candidates sitting state Master Electrician exams. Calculation-heavy modules, code interpretation, optional calculation methods, motor & transformer math, and exam strategy.

From apprentice to master — decades of hands-on jobsite experience, built into every course to speed your own climb.

Master Prep ships after the Journeyman Prep full course. The practice-test pool already includes journeyman-level questions — master-level questions ship with the master course.

Built by an electrician who actually holds the credential.

Most master-level prep on the market is authored by content writers, not by someone who has sat the master exam state after state. TCS is backed by active multi-state master electrician credentials — every calculation in this course is one he's done at the bench, on the job, and on a real master exam.

• •Active master electrician licenses in multiple states, Texas among them.
• •NFPA member organization — built straight from the published NEC, so what you study is exactly what the exam tests.
• •Same 13–16 module structure as the Journeyman Prep course, with advanced calculations and master-exam scenarios layered on top.

14 modules, calculation-forward

Master-level exams lean heavily on calculation problems and code interpretation across the special-occupancy chapters. Modules prioritize the math.

1. 1Advanced Definitions, Code Reading & Exam Strategy
2. 2Service & Feeder Load Calculations (Article 220 in depth)
3. 3Optional Calculation Methods (220.82, 220.83, 220.84)
4. 4Conductor Sizing & Voltage Drop Under Load
5. 5Overcurrent Coordination (Article 240) — Series, Selective
6. 6Grounding & Bonding — Equipotential, Objectionable Current
7. 7Motor Calculations (Article 430) — Single & Group Motor
8. 8Transformer Calculations (Article 450) — Primary & Secondary
9. 9Generator & Standby Systems (Article 445, 700, 701, 702)
10. 10Hazardous Locations (Article 500-516)
11. 11Photovoltaic & Energy Storage (Article 690, 706, 710)
12. 12Electric Vehicle Charging (Article 625)
13. 13Health Care Facilities (Article 517)
14. 14Special Conditions, Communications, & Final Strategy