California — electrical code & licensing
Verified
The code
| Edition in force | 2023 NEC, adopted with California amendments as the 2025 California Electrical Code (Title 24, Part 3) |
| Edition structure | One statewide edition |
| State code | California Electrical Code |
| Effective date | 2026-01-01 |
| Date as recorded | 2026-01-01 |
| Adopted by | California Building Standards Commission (CBSC), Department of General Services |
| Adoption source | https://www.dgs.ca.gov/-/media/Divisions/BSC/02-Codes/Errta-01012026-Pt3-CEC-locked.pdf |
| State amendments | State amendments at their own official document — http://www.dgs.ca.gov/en/BSC/Codes |
Licensing
| Model | State licensing in two tracks: CSLB licenses electrical contractors (classification C-10); the Department of Industrial Relations certifies individual electricians (General, Residential, Voice Data Video, Fire/Life Safety, Nonresidential Lighting) |
| Authority | Contractors State License Board (CSLB); Department of Industrial Relations (DIR), Electrician Certification Program |
| Licensing source | https://www.cslb.ca.gov/About_Us/Library/Licensing_Classifications/Default.aspx |
| License classes | https://www.cslb.ca.gov/About_Us/Library/Licensing_Classifications/Licensing_Classifications_Detail.aspx?Class=C10 |
Permits & inspections
Health & Safety Code s.18938.5: only building standards in effect at the time of permit application apply to the project. Enforcement is by local building officials; no state electrical permit system was established.
How this record was verified
| Adoption | Verified |
| Amendments | Verified |
| Licensing | Verified |
| Permits & inspections | Verified |
Working notes
In force on the retrieval date. Prior edition: 2022 California Electrical Code (2020 NEC), effective 2023-01-01. The CBSC Codes landing page (amendments_url) still carries older-cycle Part 3 links; the 2025 adoption is proven by the CBSC errata History Note (adoption_source_url). DIR certification categories per Title 8, s.291.0: http://www.dir.ca.gov/t8/291_0.html
Reference only. Compiled from the cited official sources as of the date shown; adoptions and rules change. Confirm with the authority having jurisdiction before designing or permitting work.