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View National Electrical Code Adoption updates below.
| State | Adoption By | NEC | Exam Code |
|---|---|---|---|
| Alabama | State | 2020 | 2023 |
| Alaska | State | 2020 | 2020 |
| Arizona | Local There is no statewide adoption of the NEC. | 2017 | 2017 |
| Arkansas | State | 2020 | 2023 |
| California | State The State adopts all construction codes through the California Building Standards Commission (CBSC). | 2020 | 2020 |
| Colorado | State | 2023 | 2023 |
| Connecticut | State | 2020 | 2020 |
| Delaware | State | 2020 | 2020 |
| Florida | State The 8th Edition (2023) of the Florida Building Code includes the 2020 edition of the National Electrical Code. | 2020 | 2020 |
| Georgia | State | 2023 | 2023 |
| Hawaii | State | 2023 | 2020 |
| Idaho | State | 2023 | 2023 |
| Illinois | Local There is no statewide adoption of the NEC. | 2020 | No Licensing at state level |
| Indiana | State | 2017 | No Licensing at state level |
| Iowa | State | 2023 | 2023 |
| Kansas | Local There is no statewide adoption of the NEC. | 2017 | No Licensing at state level |
| Kentucky | State | 2023 | 2023 |
| Louisiana | State | 2020 | 2023 |
| Maine | State | 2023 | 2023 |
| Maryland | State | 2020 | 2020 |
| Massachusetts | State | 2023 | 2023 |
| Michigan | State | 2023 | 2023 |
| Minnesota | State | 2023 | 2023 |
| Mississippi | Local There is no statewide adoption of the NEC. | Local | 2020 |
| Missouri | Local There is no statewide adoption of the NEC. | Local | 2017 |
| Montana | State | 2020 | 2020 |
| Nebraska | State | 2023 | 2023 |
| Nevada | Local Jurisdiction Nevada does not adopt or enforce building codes by state law. | 2017 | 2017 |
| New Hampshire | State | 2020 | 2020 |
| New Jersey | State | 2020 | 2023 |
| New Mexico | State | 2020 | 2020 |
| New York | Local There is no statewide adoption of the NEC. | 2017 | No Licensing at state level |
| North Carolina | State with amendments | 2023 | 2020 |
| North Dakota | State | 2023 | 2023 |
| Ohio | State | 2023 | 2023 |
| Oklahoma | State | 2023 | 2023 |
| Oregon | State with amendments | 2023 | 2023 |
| Pennsylvania | State | 2017 | 2017 |
| Rhode Island | State with amendments | 2020 | 2020 |
| South Carolina | State with amendments | 2020 | 2023 |
| South Dakota | State | 2023 | 2023 |
| Tennessee | State with amendments | 2017 | 2017 |
| Texas | 2023 | 2023 | |
| Utah | State with amendments | 2020 | 2020 |
| Vermont | State with amendments | 2020 | 2020 |
| Virginia | State | 2020 | 2020 |
| Washington | State with amendments | 2023 | 2020 |
| West Virginia | State with amendments | 2020 | 2020 |
| Wisconsin | State | 2017 | 2017 |
| Wyoming | State | 2023 | 2023 |
This information was last updated July 18, 2025