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Master Electrician (2023 NEC)
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ICC Master Electrician Exam (R16) — 2023 NEC Edition

Services, feeders, branch circuits, wiring methods, motors and special occupancies under the 2023 NEC -- practice for the ICC Master Electrician exam, with 1,000 flashcards, 350 quiz questions and a 100-question mock exam.

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350+ exam-style practice questions quiz pool

Your full practice pool — 350 questions total, written to mirror the real exam blueprint, with full answer explanations for every question.

9 exam domains covered

Including General Knowledge, Services and Service Equipment, Feeders, and more.

Full mock exam — 100 questions, 300-min timed

A complete, realistic exam-day simulation with the same question count and time limit as the real thing.

1000+ flashcards

Covering every key term, concept, and framework you're expected to know.

156+ curated video lessons

Hand-picked walkthroughs and explainers organized by topic.

33+ diagrams & visual references

Visual breakdowns of the frameworks and models the exam tests you on.

25+ key formulas & quick-reference sheet

The exact formulas and calculations you need, ready to review before test day.

133+ term glossary

A searchable glossary so unfamiliar terminology never slows you down.

4 recommended books for Master Electrician (2023 NEC)

Real field-reference and career reading picked for this profession — never more exam-prep.

Progress tracking & study planner

See your accuracy by domain, spot weak areas early, and follow a built-in study schedule.

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Full study portal: question bank, quiz & exam modes, flashcards, glossary, progress tracking. One-time purchase, lifetime access.

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Topics you'll drill

8 core topics pulled straight from the real question bank.

  • General Knowledge
  • Services and Service Equipment
  • Feeders
  • Branch Circuits and Conductors
  • Wiring Methods and Materials
  • Equipment and Devices
  • Control Devices
  • Motors and Generators

Master Electrician (2023 NEC) exam requirements & cost

Straight from the certifying body — separate from what we charge for the study portal.

Eligibility
Set by the city, county or state licensing agency that requires the exam (experience and application rules differ by jurisdiction); ICC itself sets no experience requirement and is not a licensing agency
Real exam cost
$120 exam fee, paid to Pearson VUE (ICC bulletin pricing, updated January 2026)
Format
5-hour open-book exam · 100 four-option multiple-choice questions · 2023 NEC plus Ugly's Electrical References · computer-based at Pearson VUE, results immediately · pass at 75%

The ICC R16 Master Electrician exam is part of the International Code Council's National Contractor/Trades examination program. ICC states plainly that it is not a licensing agency: if you want to be licensed in a city, county or state that participates, that jurisdiction requires you to pass the exam and then sets its own further requirements, such as work experience and the application process, so you must contact your jurisdiction to learn what applies to you. The exam is administered by Pearson VUE: you create an account at pearsonvue.com/ICC, schedule the exam, choose a test center and can purchase vouchers or request testing accommodations there. ICC's June 30, 2026 bulletin lists the R16 Master Electrician fee as $120 through Pearson VUE. The exam is open book with a 5-hour time limit and 100 multiple-choice questions based on the 2023 National Electrical Code (NEC) and 2021 International Codes, with Ugly's Electrical References (any edition) as the second approved reference.

Master Electrician (2023 NEC) exam blueprint

Real domain weighting from the certifying body's own published exam syllabus.

  • General Knowledge12%
  • Services and Service Equipment16%
  • Feeders4%
  • Branch Circuits and Conductors16%
  • Wiring Methods and Materials19%
  • Equipment and Devices10%
  • Control Devices3%
  • Motors and Generators8%
  • Special Occupancies, Equipment, and Conditions12%
Last verified: October 2026·Exam blueprint: ICC's National Contractor/Trades Examination Information Bulletin (published June 30, 2026, which supersedes all earlier editions) was read for the R16 Master Electrician entry: price, question count, open-book time limit, content outline percentages and approved references (2023 NEC and Ugly's Electrical References, based on the 2023 NEC and 2021 International Codes). ICC's Current Contractor/Trades National Exams list (last update 08/19/2025) confirms R16 as the Master Electrician exam on the 2023 NEC edition, and ICC's support-portal article on passing scores confirms the 75 percent standard. All were read directly on 2026-10-01.·Primary source: ICC — National Contractor/Trades Examination Information Bulletin (June 30, 2026) ↗
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Common questions

ICC sets no experience requirement and is not a licensing agency. The city, county or state that requires the exam decides who may apply for a master electrician licence, including any work-experience rules, so contact your licensing jurisdiction before you register. You then schedule the exam through Pearson VUE.

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