Michigan Electrician ExamJourneyman and master, open book

Checked against primary sources 2026-09-04

One question, one answer

Which NEC Edition Is on the Michigan Electrician Exam: 2023

The 2023 edition, with the Michigan Electrical Code Rules Part 8 beside it. That is what LARA's examination page says and what the rule in force adopts. A draft rule would move the state to the 2026 edition 120 days after filing, and as of 4 September 2026 it has not been filed.

Test yourself: free practice questions

On this page
  1. The answer, and where it comes from
  2. What would change it, and where that stands
  3. The numbers that differ between the two books
  4. What did not move
  5. If your study material is written for the 2026 book
  6. What to watch, and where
  7. Questions people ask
  8. What this page cites

The answer, and where it comes from

The examinations are based on the 2023 National Electrical Code, the 2023 Michigan Electrical Code Rules Part 8, 1972 PA 230 and 2016 PA 407. That sentence is LARA's, on its electrical examination and licensing page.

PSI's reference list agrees with it in shape. It names the National Electrical Code, 2016 PA 407, 1972 PA 230 and the Michigan Electrical Code Rules Part 8, without printing an edition year against the code book.

Underneath both sits the rule that actually adopts the code. R 408.30801 in the Part 8 rules adopts the 2023 National Electrical Code second printing, with technical interim amendments 70-23-1 through 70-23-13 and errata 70-23-1 through 70-23-6, and that rule set took effect on 12 March 2024.

What would change it, and where that stands

Draft rule set 2026-17 LR, dated 19 August 2026, would replace the 2023 adoption with the 2026 National Electrical Code second printing, carrying technical interim amendments 70-26-1 through 70-26-8. It would take effect 120 days after filing with the secretary of state.

The same draft moves NFPA 110 and NFPA 111 from their 2019 editions to their 2025 editions, and raises the price the rule prints for the code book from $153 to $169.

It is still open. LARA held a public rules advisory meeting on it on 27 August 2026 at the Ottawa Building in Lansing, and takes comments at its rules address. Nothing has been filed, so nothing has started the 120 day clock.

Two things follow. Buy the 2023 book. And check the bulletin again before you sit, because a filing plus 120 days is the only sequence that moves your paper.

The numbers that differ between the two books

If you are studying from anything written for the 2026 edition, a short list of addresses points at the wrong page in the book you are carrying. We read each of these in the 2026 text before listing it.

That is the list we can show you the evidence for. Anything else you see described as renumbered, treat as unconfirmed until somebody names the page they read it on.

What did not move

Most of the book came through the edition change at the same address, which is worth saying because the renumbering gets described as though the whole book was rebuilt.

Ampacity is Article 310 in both. Overcurrent protection is Article 240 in both, and 240.6 keeps its number. Grounding and bonding is Article 250 in both. Motors are Article 430 in both. Boxes are Article 314 in both. Chapter 9 is still the tables.

One caution on box fill. The volume allowance table inside 314.16 is a case our crosswalk records as unresolved between the editions, so read the subsection letter in your own 2023 copy rather than carrying one across.

If your study material is written for the 2026 book

A great deal of current material is, because most of the country moved first. The method in it is not wrong. The addresses are.

Work through the list above once and mark the eight entries on a card. Then use the material, translating as you go. That is a cheaper fix than throwing out a course you have already paid for.

Our own free question sets are written to the 2026 numbering, and the practice page names exactly which topic sets are affected and what the 2023 number is for each.

What to watch, and where

Three documents decide this and all three are free. LARA's electrical examination page, which names the codes the questions are based on. The PSI bulletin, which carries the reference list and an effective date. And the Part 8 rule set on the state's administrative rules site, which is the thing that actually adopts an edition.

The order they move in matters. The rule files, 120 days pass, and only then does the exam material have a reason to change. A draft on the open rules page is not a date.

If the bulletin and LARA's page ever disagree with each other, that is the moment to call PSI on 855-579-4635 before you buy anything.

Questions people ask

Which NEC edition is the Michigan electrician exam based on?

The 2023 edition. LARA's electrical examination page names the 2023 National Electrical Code and the 2023 Michigan Electrical Code Rules Part 8, and the Part 8 rule that adopts the 2023 NEC second printing took effect on 12 March 2024.

When does Michigan move to the 2026 NEC?

No date is set. Draft rule set 2026-17 LR, dated 19 August 2026, would adopt the 2026 NEC second printing 120 days after it is filed with the secretary of state. As of 4 September 2026 it has not been filed, so the 120 day clock has not started.

Should you buy a 2023 or a 2026 code book for the Michigan exam?

The 2023. Your paper is written against the edition Michigan has adopted, and that is still the 2023 edition. A 2026 book would put you on different section numbers for load calculations, transformer overcurrent protection and several other lookups.

Which section numbers changed between the 2023 and 2026 NEC?

The ones we have confirmed are load calculations from Article 220 to Article 120, energy management from Article 750 to Article 130, transformer overcurrent from 450.3 to 450.5, physical damage from 300.4 to 300.6, wire bending space from 312.6 to 312.9, the downstream neutral bar from 250.24(A)(5) to 250.24(B), and Article 235 spreading into Articles 265 through 268 with 270.

Does the Michigan exam test the Part 8 rules as well as the NEC?

Yes. The reference list carries the Michigan Electrical Code Rules Part 8 alongside the code book, and the content outlines name the electrical code rules explicitly. The Part 8 rules also amend the NEC in places, so the answer to a Michigan question is not always the plain code answer.

Will the Michigan exam change on the day the 2026 rule is filed?

The rule itself would take effect 120 days after filing. What PSI does with the examination reference list on that date is a separate decision that PSI publishes in the bulletin. Check the bulletin's effective date before you sit rather than assuming the two dates match.

What did not move between the two NEC editions?

Most of the book. Ampacity is still Article 310, overcurrent is still Article 240 with 240.6 unchanged, grounding and bonding is still Article 250, motors are still Article 430, boxes are still Article 314, and Chapter 9 is still the tables.

Put it to the test

Free practice questions, sections shown

Every miss shows the working and the section behind it, so you learn the trap and not just the answer. No account.

Start the free questionsThe licensing side

Written on the 2026 code with the 2023 number beside anything that moved, which is what the Michigan exam still uses.

What this page cites

NEC and National Electrical Code are registered trademarks of the National Fire Protection Association.

Trojan Digital Marketing is an independent company. We are not affiliated with, endorsed by, or sponsored by NFPA, LARA, the Michigan Bureau of Construction Codes, PSI Services, or any licensing authority.

Bring your own copy of the National Electrical Code, unmarked. The Michigan exam is open book on the 2023 edition until the bulletin says otherwise.

All practice questions are original. They are not actual exam questions.

Part of the electrician network with Michigan Journeyman Prep (licensing) and the Texas sites Texas Journeyman Prep, Texas Electrician Exam and Texas Electrical Code Prep.

Built and maintained by Jeff Clerisier, Trojan Digital Marketing.

Every rule here is cited to the section it comes from, and corrections are logged in public with the date. This is study material rather than electrical advice, and it does not replace your own code book or your inspector.

Free, weekly

One exam question a week, worked all the way through

One original Michigan-style question, the arithmetic worked, the section named, and the day the bulletin moves to the 2026 code you hear it here first. Unsubscribe in one click.