Texas Electrician ExamTexas journeyman & master

Checked against primary sources 2026-08-24

The wall switch is answered in Article 406 now, and Article 404 still looks right

From September 1 your paper is written against a book where the light switch and the fused disconnect are answered in different articles. The book tells you, in one line, in the place nobody reads.

On this page
  1. What changed, in one line
  2. The dividing line is a defined term, not the word snap
  3. Why this still costs you time under a clock
  4. Confirming it in the copy you are taking in
  5. What an item looks like when it is testing this
  6. What is confirmed and what is not
  7. What this page cites

What changed, in one line

Device-type switches went to Article 406 for the 2026 edition, arriving as a new Part III. The general-use snap switch, the dimmer and the electronic control switch are all answered there.

Article 406 changed its name to match. It used to be Receptacles, Cord Connectors, and Attachment Plugs. In the 2026 book it is Wiring Devices, and the switches sit alongside the receptacles under that heading.

Article 404 kept the heavier apparatus. General-use switches of the enclosed disconnect kind, motor-circuit switches, isolating switches, pullout switches, molded-case switches, and circuit breakers used as switches all stayed.

So Article 404 is still a real article, still about switches, still written in the same house style. It just no longer answers the question you are most likely to be asked about a switch.

The dividing line is a defined term, not the word snap

Article 100 defines wiring device, and that definition is the boundary. A wiring device is an electrical device with a yoke, or used with flexible cord or cable, that serves either as a connection point for current or as a control device in general distribution and branch circuits. Read those two hooks slowly, because between them they decide the article.

Read the two halves of 404.1 next and the split stops being a memory exercise. 404.1(A) is the list of what Article 404 still covers. 404.1(B) is the list of what it does not, and the second item on that list is wiring devices.

That is the whole test. Yoke or cord, so a wiring device, so Article 406. No yoke, its own enclosure, so Article 404.

For an item that offers you four articles, the ones that never moved are the easiest to strike:

Why this still costs you time under a clock

The 2026 edition rewrote how the chapters relate to each other, and the old rule about Chapter 8 is gone Chapters one through four apply generally to all electrical installations. Chapters five through eight may supplement or modify the requirements in chapters one through eight. Chapter nine is the tables, applicable as referenced. The informative annexes are not requirements. In earlier editions chapter eight stood apart and was not subject to the other chapters unless a requirement was specifically referenced in it. That carve out is not in the 2026 wording, and the chapter titles changed from special to specific at the same time. CHAPTERS 1–4 apply generally to all electrical installations may supplement or modify chapters 1 through 8 CHAPTERS 5 – 8 specific occupancies and locations · specific equipment specific conditions and systems · communications systems CHAPTER 9 tables, applicable as referenced ANNEXES A – L not part of the requirements CHANGED IN 2026: chapter 8 used to stand outside this stack. it was not subject to the other chapters unless something in it said so. that carve out is gone, and the chapter titles say specific now, not special.
Deciding which layer a question lives in is most of the work on an open book exam. In 2026 the layers themselves changed. Quoting the arrangement described in NEC 90.3, 2026 edition. Compare it with the edition on your own bench.

The book does signpost it. 404.1(B) sends wiring devices to Article 406, and it carries an informational note that names 406.1 as the destination. Anyone who reads Article 404 from its first page will find the pointer inside thirty seconds.

The problem is that nobody under a clock reads an article from its first page. You go to a tab, and the tab is on a requirement in the middle of the article, and from there you never see the scope at all. Everything you can see says switches. The article title says switches, the running head says switches, and the requirements either side of your thumb are requirements about switches.

You get about 2.2 minutes per item on the journeyman knowledge portion, counting all 59 items you actually answer inside the 130 minutes. Reading a correct article that will never contain your answer spends most of that.

So the fix is not to memorize a list. It is to put a tab on 404.1 itself, so that the pointer is where your hand lands.

Confirming it in the copy you are taking in

The check takes under a minute and it doubles as a way of proving the book on your bench is the right edition.

  1. Turn to Article 406 and read the article title. In the 2026 book it reads Wiring Devices. If it still reads Receptacles, Cord Connectors, and Attachment Plugs, you are holding the previous edition.
  2. Look for a Part III listed under Article 406 and read the heading on that part in your own copy. That is the part the switches arrived in.
  3. Read 404.1(A), then 404.1(B), one after the other. Those two lists draw the boundary better than any summary of them.
  4. Look up wiring device in Article 100 and read the definition, plus any examples printed under it. That is the sentence you want in your head on test day.
  5. Tab 404.1, not just the front of Article 404, and either move your old 404 tab or add a second one. Leaving the old tab alone is what sends your hand to the wrong page when you are tired.

The Texas examinations reference the 2026 edition from September 1, 2026, so an older book fails you twice over: on this split, and on everything else that moved.

What an item looks like when it is testing this

Two shapes come up. The first names a device and asks which article covers it, with 404, 406, 408 and 410 as the four options. That one is testing the split directly and it is free marks once you have read 404.1.

The second is subtler. It describes an installation involving a wall switch and asks whether it complies, or asks for a rating, or asks about the connection at the device. Nothing in the wording mentions an article at all. You have to know where to go, and going to Article 404 gives you a page that looks like it should help.

On either shape, run the definition rather than a picture. Ask whether the thing in the stem is mounted on a yoke or fed by a flexible cord. If it is, the answer lives in Article 406 in this edition, whatever the item calls the device.

What is confirmed and what is not

The move, the new article title and the two halves of 404.1 are confirmed against the 2026 text and against independent code-change reviews, including one published by a state licensing authority. This page states them as fact.

The internal structure of Part III is not. Accounts of which section number holds which requirement inside Article 406 disagree with each other, so this page names no section number inside that part and you should not carry one into the room either. Read the part heading and the section headings in your own copy during the check above.

If your book says something different from what is here, tell us and the correction goes up with a date on it.

What this page cites

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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.