Iowa Master Electrician Exam Prep

Choose your access term

Official sitting

Questions100
Time4 hours
Passing score70%
BookOpen book

Confirm question count, time, open-book rules, and passing score on the live board bulletin before you sit. We do not guarantee a passing result. Source: PSI Iowa electrical bulletin 3552.

What’s included

21,000+ word study guide

Worked calculations, code-section breakdowns, exam traps, a key-terms glossary and a 30/60/90-day plan.

4 full-length practice exams

Original questions weighted to match the topic mix of the real exam.

400 practice questions

Every one with a written explanation and the code section behind the answer.

Same study guide and four exams on every term. You are choosing how long you can log in.

Instant accessSecure checkoutBuilt on current codes
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What this prep covers

  1. The sitting this course is for
  2. Books, calculator, fee, and the room
  3. Electrical theory and formulas the exam assumes
  4. How the NEC is organized (navigate it fast)
  5. Branch circuits, feeders, and load calculations (Article 220)
  6. Conductor ampacity and sizing (Article 310)
  7. Overcurrent protection (Article 240)
  8. Grounding and bonding (Article 250)
  9. Boxes, raceways, and wiring methods (Articles 300, 314, Chapter 9)
  10. Motors, transformers, and HVAC (Articles 430, 450, 440)
  11. Services and working clearances (Articles 230, 110, 408)
  12. GFCI, AFCI, and special locations
  13. Worked calculations
  14. Sample exam questions, solved
  15. Common mistakes and exam traps
  16. Key articles to tab

…and 4 further sections in the full guide.

Other Iowa exam prep

Iowa Master Electrician exam — common questions

Who administers the Iowa Master Electrician exam?

The Iowa Master Electrician examination is administered by Iowa Electrical Examining Board / PSI bulletin 3552 updated 19 September 2025. Master Electrician: 100 scored items, 240 minutes, 70 percent, plus 10 non-scored items and 30 minutes that are not in the practice bank. Outline percents: knowledge 10, protection 25, methods 20, equipment 20, occupancies 10, special equipment 5, special conditions 5, communication systems 5. Books: 2023 NEC or 2023 NEC Handbook. Ugly's 2011, 2014, and 2017 are not allowed. Fee $87. Silent non-programmable calculator allowed. Not the journeyman paper (80 scored, 180 minutes, 70 percent, no communication systems)..

How many questions are on the Iowa Master Electrician exam?

The exam contains 100 questions. You need 70% to pass. You are allowed 4 hours.

How much practice does this prep include?

It includes 4 full-length practice exams and 400 practice questions in total. Every question has a written explanation naming the code section the answer comes from.

How long is the study guide?

The Iowa Master Electrician guide runs to roughly 21,185 words, covering 20 sections from licensing rules through worked calculations and solved exam questions.

How long do I get access?

Choose 30, 60 or 90 days at checkout. Access begins the moment you enrol, works on any device, and you can retake every practice exam as often as you like. Days remaining are shown in your dashboard and you can extend at any time.

Is this an official Iowa Master Electrician exam?

No. This is independent preparation material. It is not affiliated with or endorsed by any state licensing board or exam vendor, and it does not contain real exam questions. Always confirm current requirements with your licensing board.

About this Iowa Master Electrician prep

This prep is built specifically for the Iowa Master Electrician examination and includes a 21,000+-word study guide written for this exam, 4 full-length practice exams and 400 practice questions, each with a written explanation.

The Iowa Master Electrician examination is administered by Iowa Electrical Examining Board / PSI bulletin 3552 updated 19 September 2025. Master Electrician: 100 scored items, 240 minutes, 70 percent, plus 10 non-scored items and 30 minutes that are not in the practice bank. Outline percents: knowledge 10, protection 25, methods 20, equipment 20, occupancies 10, special equipment 5, special conditions 5, communication systems 5. Books: 2023 NEC or 2023 NEC Handbook. Ugly's 2011, 2014, and 2017 are not allowed. Fee $87. Silent non-programmable calculator allowed. Not the journeyman paper (80 scored, 180 minutes, 70 percent, no communication systems).. This prep is written to that board’s current scope, not to a generic national syllabus.

The real Iowa Master Electrician exam contains 100 questions, with a passing score of 70%. Our practice exams mirror that structure so the format is familiar before you sit it.

Topics covered

  • The sitting this course is for
  • Books, calculator, fee, and the room
  • Electrical theory and formulas the exam assumes
  • How the NEC is organized (navigate it fast)
  • Branch circuits, feeders, and load calculations (Article 220)
  • Conductor ampacity and sizing (Article 310)
  • Overcurrent protection (Article 240)
  • Grounding and bonding (Article 250)
  • Boxes, raceways, and wiring methods (Articles 300, 314, Chapter 9)
  • Motors, transformers, and HVAC (Articles 430, 450, 440)
  • Services and working clearances (Articles 230, 110, 408)
  • GFCI, AFCI, and special locations
  • Worked calculations
  • Sample exam questions, solved
  • Common mistakes and exam traps
  • Key articles to tab
  • Glossary of must-know terms
  • Your 30 / 60 / 90 day study plan
  • Exam-day strategy
  • 4 – Enforcement

How access works

You are paying for access length (30, 60, or 90 days). The study guide and four timed exams are the same on every term. Access starts when you enrol and works on any device for that term.

Not affiliated with or endorsed by any state licensing board or exam vendor. For exam-preparation purposes only.