Nec Adoption By State
Discover which edition of the NFPA 70, National Electrical Code (NEC ) is enforced in your state. We make getting your CEUs easy. Also, discover which NEC your state has adopted.
Track NEC 2026 adoption by state. See which states have adopted the new code, expected timelines, and what the changes mean for low voltage and limited-energy contractors. Here is the current adoption status by state, the key residential changes from 2023, and how to look up your specific jurisdiction.
This tracker reflects the latest available information from the NFPA state adoption database and individual state building code offices. Find out the status of AFCI and GFCI requirements in each state for the 2020 and 2023 editions of the NEC. See maps, tables, and links to state building code agencies and documents.
Track National Electrical Code (NEC) adoption by state for 2025-2026. View the latest NFPA 70 versions (2023, 2020) with effective dates, local amendments, and historical data. Find out the latest NEC adoption status and effective dates for each state in the US.
The NEC is the National Electrical Code, a set of standards for electrical installations and safety. Learn how the National Electrical Code (NEC) is enforced in different states and localities, and what amendments and changes affect electrical installations. Find out which states use the 2008, 2017, 2020, or 2023 edition of the NEC, and how to consult the official NFPA resources.
List of Building Codes adopted by state. Includes Chicago, New York City, San Francisco and Los Angeles which have their own codes. Below are maps of the United States depicting what National Electrical Code year each state follows and when they will update their Code year as of 8/1/24.
