NEC Adoption Reference

NEC Adoption Reference

The National Electrical Code edition in force in each US state and territory, from public records.

45 Entries
47 Data records
45 Sources cited
1 Standard editions tracked

Families

  • Standards

    1 entry

    The standards, specifications and codes that govern electrical testing, with edition history, status and scope recorded from the publishers.

  • NEC adoption

    44 entries

    Which edition of the National Electrical Code each state and the District of Columbia enforces, with the adopting instrument for each.

Recently changed

  1. Wyoming 2026-10-24, imported from FACTS export
  2. West virginia 2026-10-24, imported from FACTS export
  3. Wisconsin 2026-10-24, imported from FACTS export
  4. Washington 2026-10-24, imported from FACTS export
  5. Vermont 2026-10-24, imported from FACTS export
  6. Us virgin islands 2026-10-24, imported from FACTS export
  7. Virginia 2026-10-24, imported from FACTS export
  8. Utah 2026-10-24, imported from FACTS export

Full change log

What the records contain

Data records by kindEdition adopted: 44; Definition: 2; Edition: 1Edition adopted44Definition2Edition1
Data records by kind. Every statement on the site is one data record; this is the count of records per kind.
Data records by kind: records per row.
CategoryCount
Edition adopted44
Definition2
Edition1

Cite this site

Every entry carries a cite block with plain, legal, BibTeX and Wikipedia formats and a permanent revision address. The cite page explains the conventions.

For machines

The same records are served as JSON through the read API and as tools through the MCP endpoint; llms.txt describes the site and the machine-use terms state the conditions.