Which edition of the NEC has my state adopted?
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State |
Current Edition Of The NEC In Effect (Effective Date) |
2020 NEC UPDATE Status (Effective Date) |
Other Editions Of NEC Update Status (Effective Date) |
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2014 (July 1, 2016, (Alabama Division of Construction Management) |
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2017 (5/9/2018) |
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Arizona |
Local adoption only |
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2017 with AR amendments (1/1/2018) |
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2017 with CA amendments (1/1/2020) |
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2020 (7/1/2020) |
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2017 (10/1/2018) |
Update process underway |
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2014 (3/11/2016) |
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Update process (2017) underway |
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2017 (12/31/2020) |
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2020 (1/1/2021) |
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| Hawaii | 2017 (8/21/2018) |
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| Idaho | 2017 (7/1/2017) |
Update process underway |
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| Illinois | 2008 (7/1/11 - commercial occupancies for areas outside of local jurisdictions that have adoption authority) | ||
| Indiana | 2008 |
Update process (2017) underway (Effective date not established) |
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| Iowa | 2017 (1/1/2018) |
Update process underway |
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| Kansas | 2008 (2/4/11 - State Fire Marshal) | ||
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Kentucky |
2017 (1/1/2019) | ||
| Louisiana | 2014 (2/1/2018) |
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| Maine | 2017 with Maine amendments (11/6/2017) | Update process underway (Effective date not established) |
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| Maryland | 2014 (1/1/2015) | ||
| Massachusetts | 2020 w/MA amendments (12/27/2019) | ||
| Michigan | 2017 Commercial (1/4/2019) One- and two-family dwellings (2/8/2016) |
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Minnesota |
2020 (7/1/2020) | ||
| Mississippi | Local adoption only | ||
| Missouri | Local adoption only | ||
| Montana | 2014 (10/23/2014) | Update process (2017) underway (effective date not established) | |
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Nebraska |
2017 (8/1/17) |
Update process underway |
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| Nevada | 2011 (7/1/13 - Nevada State Pubic Works Division) | ||
| New Hampshire | 2017 with NH amendments (1/1/2018) |
Update process underway |
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| New Jersey | 2017 (9/3/19 with 6 month grace period for new permits) | ||
| New Mexico | 2017 (2/1/2018) | Update process underway (Effective date not established) |
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| New York | 2017 (5/12/2020) |
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North Carolina |
2017 (6/12/2018) |
Update process underway |
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North Dakota |
2020 (1/1/2021) | ||
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Ohio |
2017 2017, with Ohio amendments |
Update process underway |
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Oklahoma |
2014 Commercial (11/1/2015) Residential 2015 IRC Electrical Chapters (11/1/2016) |
Update process (2017) underway (effective date not established) |
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Oregon |
2017 with Oregon amendments (10/1/2017) |
Update process underway |
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Pennsylvania |
2014 |
Update (2017) process underway (Effective date not established) |
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Rhode Island |
2017 (8/1/2019) |
Update process underway |
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| South Carolina | 2017 with SC amendments (1/1/2020) | ||
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South Dakota |
2020 (7/1/2020) |
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| Tennessee | 2017 (10/1/2018) |
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| Texas | 2020 (11/1/2020) |
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| Utah |
2017 2014 |
Update process underway (7/1/2021) |
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| Vermont | 2017 with Vermont amendments (10/1/2017) | Update process underway (Effective date not established) |
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| Virginia | 2014 |
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| Washington | 2020 (10/29/2020) | ||
| West Virginia | 2017 (3/24/2020) | ||
| Wisconsin | 2017 Commercial (8/1/2018) |
One- and two-family dwellings (1/1/2020) | |
| Wyoming | 2020 (7/1/2020) |
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| Chicago | 2017 with Chicago amendments (3/1/2018) | ||
| New York City | 2008 w/NYC amendments (7/1/2011) | 2014 (effective date not established) |
