United States Electrician Licensing Exam and Practice Test
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Contents
This page collects the official facts about electrician licensing exams in United States: exam name, authority, levels, official website, whether the question bank is public, the wiring code and the conductor size unit. Any field that has not been verified is marked "Not yet confirmed" instead of guessed.
Exam overview
Licences are issued by each state or region; there is no single national exam. The exams recorded so far are listed below.
State electrician licensing exams (example: Texas Journeyman/Master/Residential Wireman etc.)
| Item | Details |
|---|---|
| Authority | State licensing boards (e.g. Texas Department of Licensing and Regulation), exams delivered by vendors such as PSI |
| Levels | Apprentice, Journeyman, Master, plus state-specific (Texas: Residential Wireman, Maintenance Electrician, Journeyman/Master Sign, Journeyman Industrial, Journeyman Lineman, Residential Appliance Installer) |
| Format | Computer-based, open-book NEC (Texas uses NEC 2026; Journeyman exam split into knowledge and calculations sections since 11 Mar 2025) |
| Official website | www.tdlr.texas.gov |
| Public question bank | Exam outline only |
| Question bank or outline | test-takers.psiexams.com |
| Exam languages | English, Spanish |
Wiring code and conductor unit
| Item | Details |
|---|---|
| Licensing model | Issued by each state or region |
| Wiring code | NFPA 70 National Electrical Code (adopted state by state) |
| Code family | NEC_NFPA70 |
| Edition | 2026 (used for Texas exams; adoption edition varies by state) |
| Code website | www.nfpa.org |
| Conductor size unit | AWG |
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Start the United States electrician practice test
Every practice question cites the official regulation or official exam outline it is based on. No source, no question. Official or third-party question wording is never copied.
Sources
- https://www.tdlr.texas.gov/electricians/elec.htm
- https://www.tdlr.texas.gov/electricians/elecexam.htm
- https://test-takers.psiexams.com/api/content/bulletin/1682
- https://test-takers.psiexams.com/api/content/bulletin/2388
- NFPA 70 National Electrical Code (adopted state by state)
FAQ
Is the electrician exam question bank public in United States?
Current record: Exam outline only.
Does wiring in United States use mm² or AWG?
Conductor size unit: AWG.
Where do the practice questions come from?
Every question is an original practice question that cites the official regulation or official exam outline. Questions without a source are not published.