Colorado journeyman wireman exam: format, NEC edition and fee
The Colorado State Electrical Board licenses journeyman wiremen through the Division of Professions and Occupations (DPO) in the Department of Regulatory Agencies, and PSI runs the exam. These facts come from PSI's Colorado bulletin (updated 6/18/2026), read on 9 November 2026. Colorado sets its own rules and can change them, so confirm with DPO and the bulletin before you book.
The exam in brief
- Exam: Journeyman Wireman
- Vendor: PSI
- NEC edition: 2026 since 1 August 2026 (see the next section).
- Questions: 90 scored, plus up to 10 unscored questions that help PSI build future exams.
- Time: 240 minutes for the scored questions and 30 for the unscored ones, 270 minutes in all.
- Passing score: 70%, or 63 of the 90 scored items. Scoring is compensatory: your total across all areas counts, so strong areas can make up for weak ones.
- Book: provided at the test center, with a Formula Page. You may not write in, highlight, underline or index it, and you may not use any other materials.
- Calculator: you get an online calculator.
- Fee: $78, and $73 to retest.
- Route: the bulletin says to file your license application with DPO after you pass. Passing does not by itself get you a license, since you still have to show DPO that you meet the minimum qualifications.
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The 2026 NEC and the book you are given
From 1 August 2026, Colorado's exam questions follow the 2026 NEC, and the test center provides the 2026 book. NFPA's adoption table also shows Colorado on the 2026 NEC from that date. The 2023 book can be provided on request until 1 December 2026, and after that only the 2026 book is offered. Confirm the edition with DPO or PSI before you book.
Because you use the test center's copy, your own tabs and highlights do not come with you. Practice lookups in a clean book, using the index and the article layout. Our guide on how to find answers fast in the NEC covers the method, and California is the other state in our set where you bring no book. For how to use 2023 practice material when your exam is on the 2026 NEC, see our 2023 vs 2026 NEC post, written for Texas candidates, whose exam also moved to the 2026 edition.
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What it covers
The bulletin lists thirteen areas by item count: General Electrical Knowledge 11, Services, Feeders and Branch Circuits 9, Grounding and Bonding 14, Overcurrent Protection 6, Conductors and Cables 8, Raceways and Boxes 5, Special Occupancies 5, Special Equipment 6, Electrical Devices 5, Motors 6, Transformers 4, Photovoltaics 2 and Electrical Calculations 9. Grounding and bonding is the largest. There is no law and rules area. Each area falls into one of the twelve in our journeyman exam outline.
How our practice exam fits
Our practice exam is written to the 2023 NEC, and Colorado now tests the 2026 edition. Most skills carry over, but section numbers can move, so check each lookup in the 2026 book. Ours runs on the same 240-minute clock, with 100 questions against Colorado's 90 scored, and like Colorado's it has no law and rules section. Grounding and bonding carries 14 items in Colorado, more than in our outline, so give it extra time. It is not Colorado's exam. See the journeyman exam guide for how other states compare.
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Not affiliated with or endorsed by NFPA, PSI or the Colorado Department of Regulatory Agencies. NEC and National Electrical Code are registered trademarks of NFPA.
Sources
Show the list
- Colorado State Electrical Board candidate information bulletin, PSI, updated 6/18/2026. Retrieved 9 Nov 2026.
- NEC enforcement maps, NFPA. Retrieved 9 Nov 2026.
Facts come from the sources listed above. If something has changed, tell us and we will correct it within 2 business days.
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