2020 National Electrical Code
Are you in Compliance?
As of February 1, 2021, the 2020 NEC is in effect in nine states, the 2017 NEC is in effect in twenty-seven, the 2014 NEC is in effect in eight states and the 2008 NEC is in effect in two states.
Note: The 2020 edition of the NEC was issued by the NFPA Standards Council on August 5, 2019. The effective date was August 25, 2019, when it officially became available for federal, state, county, and municipal governmental entities to update their electrical installation regulations.
Essential Resources
NEC Code 2020 Update
On-Demand Webinar Videos
Element 14 Community Road Test of the Power Defense CB
Make Compliance Easy with These Tools
FC2 Available Fault Current Calculator
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SCCR Protection Suite
Design equipment for the highest available short-circuit current or with an alternate bill-of-material to address the high available fault current.
OSCAR 2.1 Software
Calculate SCCR for your equipment, address any weak spots, and document the equipment's rating.
Eaton Asset Manager
Become a Hero – Get direct access to electrical component information including technical data, test reports, and authentication
Recommended Products For You
Power Defense Circuit Breaker
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XT Motor Control
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Bussmann Series with CUBEFuseTM
Delivers finger-safe 200 kA SCCR in 2/3 the space required by a traditional fusible switch.
FAZ Series Industrial Miniature Circuit Breakers
Eaton's FAZ UL489 and UL1077 Industrial miniature CB's available to 480 VAC and available as a 1, 2 & 3 pole with ratings to 40 amps.
Bussmann Series Modular Fuse Holder
Finger-safe DIN-Rail mount fuse holder features 200 kA SCCR and can be used with Class CC and midget fuses.
CT Type CurrentWatch Sensor
Self-contained sensor monitors current flow in equipment. By detecting small changes in current, it helps avoid costly repairs and mechanical problems before they occur.
When do I need to be Compliant?
| State | Currently Adopted Edition Of The NEC (Effective Date) | 2017 NEC Adoption Status (Effective Date) | Other Editions Of NEC Adoption Status (Effective Date) |
|---|---|---|---|
| Alabama | 2014 (July 1, 2016, (Alabama Division of Construction Management) | ||
| Alaska | 2017 (5/9/2018) | ||
| Arizona | Local adoption only | ||
| Arkansas | 2017 with AR amendments (1/1/2018) | ||
| California | 2017 with CA amendments (1/1/2020) | ||
| Colorado | 2020 (7/1/2020) | ||
| Connecticut | 2017 (10/1/2018) | Update process underway (Effective date not established) | |
| Delaware | 2014 (3/11/2016) | Update process (2017) underway (Effective date not established) | |
| Florida | 2017 (12/31/2020) | ||
| Georgia | 2020 (1/1/2021) | ||
| Hawaii | 2017 (8/21/2018) | ||
| Idaho | 2017 (7/1/2017) | ||
| Illinois | 2008 (7/1/11 - commercial occupancies for areas outside of local jurisdictions that have adoption authority) | Not in process | Not in process |
| Indiana | 2008 | Update process (2017) underway (Effective date not established) | |
| Iowa | 2017 (1/1/2018) | Update process underway (Effective sate not established) | |
| Kansas | 2008 (2/4/11 - State Fire Marshal) | ||
| Kentucky | 2017 (1/1/2019) | ||
| Louisiana | 2014 (2/1/2018) | ||
| Maine | 2017 with Maine amendments (11/6/2017) | Update process underway (Effective sate not established) | |
| Maryland | 2014 (1/1/2015) | Update process underway (1/1/2020) | |
| Massachusetts | 2020 w/MA Amendments (12/27/2019) | ||
| Michigan | 2017 Commercial (1/4/2019) One- and two-family dwellings (2/8/2016) | ||
| 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) | |
| Nebraska | 2017 (8/1/17) | Update process underway (Effective date not established) | |
| Nevada | 2011 (7/1/13 - Nevada State Pubic Works Division) | ||
| New Hampshire | 2017 with NH amendments (1/1/2018) | Update process underway (Effective date not established) | |
| 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) | |
| New York | 2017 (5/12/2020) | Update process underway (3/2020) | |
| North Carolina | 2017 (6/12/2018) | Update process underway (Effective date not established) | |
| North Dakota | 2020 (1/1/2021) | ||
| Ohio | 2017 Commercial (11/1/2017) 2014 One-, two- and three-family dwellings (1/1/2016) | Update process underway (Effective date not established) | |
| Oklahoma | 2014 Commercial (11/1/2015) Residential 2015 IRC Electrical Chapters (11/1/2016) | Update process (2017) underway (effective date not established) | |
| Oregon | 2017 with Oregon amendments (10/1/2017) | Update process underway (effective date not established) | |
| Pennsylvania | 2014 | Update (2017) process underway (effective date not established) | |
| Rhode Island | 2017 (8/1/2019) | Update process underway (effective date not established) | |
| South Carolina | 2017 with SC amendments (1/1/2020) | Update process underway (1/1/2020 projected) | |
| South Dakota | 2020 (7/1/2020) | ||
| Tennessee | 2017 (10/1/2018) | ||
| Texas | 2020 (11/1/2020) | ||
| Utah | 2017 Commercial (7/1/2018) 2014 One- and two-family dwellings (7/1/2016)) | Update process underway (7/1/2021) | |
| Vermont | 2017 with Vermont amendments (10/1/2017) | Update process underway (Effective date not established) | |
| Virginia | 2014 | ||
| Washington | 2020 (10/29/2020) | ||
| West Virginia | 2017 (3/24/2020) | Not in process | |
| Wisconsin | 2017 Commercial (8/1/2018) | One- and two-family dwellings (1/1/2020) | |
| Wyoming | 2020 (7/1/2020) | ||
| Chicago | 2017 with Chicago amendments (3/1/2018) | ||
| New York City | 2008 w/NYC amendments (7/1/2011) | 2014 (effective date not established) |