Master Electrician Vocabulary Game
Exam terms with clues and explanations by OpenExamPrep.
About the Master Electrician Vocabulary Game
A free word game for the Master Electrician exam. Each round shows a clue for one of 20 exam terms across 13 topics. Recall the term, spell it out, then read a short explanation. Rounds pick a random term, so you can keep playing as long as you like.
How to Play
- 1Read the clue and type a term with the right number of letters (3 to 6). Abbreviations count: type the letters only.
- 2Press Check Answer or Enter. Each letter changes color to show how close you are.
- 3You have 6 tries. Stuck? Need a hint? asks the AI tutor for a nudge without giving the term away, and Skip moves to a new term.
- 4After the round, read the explanation, ask the AI to explain it, share your result, or press Next.
- ARight letter, right spot
- AIn the term, wrong spot
- ANot in the term
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Topics in the Master Electrician Vocabulary Game
Electrical theory
Code definitions
Services
Load calculations
Overcurrent protection
Required outlets
Conductors
Wiring methods
Cabinets
Control devices
Rotating machines
Special occupancies
Equipment and devices
Sources for these terms (7)
- SI Units – Electric Current (NIST) · Source checked 2026-11-03
- Ampere: Introduction (NIST) · Source checked 2026-11-03
- 29 CFR 1910.399 — Definitions applicable to this subpart (2025 CFR) · Source checked 2026-11-03
- 29 CFR 1910.305 — Wiring methods, components, and equipment for general use (2025 CFR) · Source checked 2026-11-03
- 29 CFR 1910.306 — Specific purpose equipment and installations (2025 CFR) · Source checked 2026-11-03
- The Basics of Grounding and Bonding (NFPA) · Source checked 2026-11-03
- Preventing Home Fires: Arc Fault Circuit Interrupters (AFCIs), CPSC Publication 5133 · Source checked 2026-11-03
About the Master Electrician Exam
The ICC National Standard Master Electrician exams are open-book contractor/trades exams used by some licensing jurisdictions to evaluate NEC-centered master-level electrical competency. R16 is based on the 2023 NEC, T16 on the 2020 NEC, and G16 on the 2017 NEC, while state and local authorities decide which exam, references, work hours, business requirements, and license requirements apply.
Exam sponsor: International Code Council (ICC) / Pearson VUE; licensing authority controls license issuance. The requirements and fees below concern the certification or admission exam, separate from our free practice resources.
Questions
100 questions
Time Limit
5 hours
Passing Score
75% for ICC Master Electrician contractor/trades exams; verify jurisdiction rules
Reported exam pass rate: Not published by ICC. ICC does not publish first-time pass rates for individual national master electrician exams in the opened sources. Exam sponsor website
Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.
Frequently Asked Questions
Is the Master Electrician vocabulary game free?
Yes. The game is free to play with no sign-up. Signing in adds AI explanations for any term.
How does the Master Electrician vocabulary game work?
Each round shows a clue for one of 20 Master Electrician terms. Guess the term in six tries: green means the right letter in the right spot, yellow means the letter is in the term but in another spot, and gray means it is not in the term. After the round, read the explanation and play the next term.
Where do the Master Electrician terms come from?
OpenExamPrep researched each term from the International Code Council (ICC) / Pearson VUE; licensing authority controls license issuance content outline and primary sources, listed under Sources on this page. The game is independent study material, not an official exam resource.
Is there one national master electrician license exam?
No. ICC offers national contractor/trades master electrician exams such as R16, T16, and G16, but ICC is not a licensing agency. State, city, county, or local licensing authorities decide which exam and which additional work-hour, application, business, bonding, insurance, and license requirements apply.
How many questions are on the ICC Master Electrician exam?
The June 30, 2026 ICC National Contractor/Trades Examination Information Bulletin lists R16, T16 and G16 Master Electrician as 100 multiple-choice questions with a 5-hour open-book time limit. The current national exam list also keeps F16-N, a 2014 NEC master electrician option.