TX Master
How our TX Master questions are written
Written in our own words
Every TX Master question is written by us to TDLR's current published outline. We never use real or recalled exam questions, and we never copy code-book text.
What the question bank covers
The course has 168 practice questions. Here is how many sit in each blueprint domain.
- Definitions, Theory, and Plans: 15 questions
- Electrical Services, Service Equipment, and Separately Derived Systems: 31 questions
- Electrical Feeders: 11 questions
- Branch Circuits and Conductors: 23 questions
- Electrical Wiring Methods and Electrical Materials: 13 questions
- Electrical Equipment and Devices: 14 questions
- Motors and Generators: 21 questions
- Electrical Control Devices and Disconnecting Means: 6 questions
- Special Occupancies, Equipment, and Conditions: 26 questions
- Renewable Energy Technologies: 8 questions
How explanations work
Every question comes with an explanation that names the code section or source it relies on, so you can check it against your own copy.
The TX Master course
Available now · instant accessThe TX Master course
- 10modules of lessonsEvery task on the outline
- 1timed practice exams72 questions in 232 minutes
- 168practice questionsEach one explained
- 1week-by-week study planSet to your exam date
Turn a practice answer into a study step. In untimed practice, ask Lug AI about any question you answer, follow up, then see your weakest topics and what to drill next.
Every answer comes with a full explanation.
Think an answer is wrong? Report it. Not affiliated with or endorsed by TDLR, PSI or NFPA. Exam names are used descriptively.