90.4 Enforcement
What changed in 90.4
The enforcement section was reworded and split into parts, and a new note points to an annex with guidance for running an inspection program.
Point by point
- The section was reworded and broken into lettered parts, such as interpretations, alternative methods and new products.
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Get the whole breakdown
- 2 more points on exactly what changed
- The 2020 rule next to the 2023 rule, side by side
- Why it changed
- What to do and check on the job
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This section across NEC® editions
2020 NEC®No change
This section did not change from 2017 to 2020.
2023 NEC®RevisedYou're here
The enforcement section was reworded and split into parts, and a new note points to an annex with guidance for running an inspection program.
2026 NEC®No change
This section did not change from 2023 to 2026.
More 2023 changes in Article 90
This is a plain-English summary, not the NEC®'s exact wording. Always check the full section in the NEC® edition your area has adopted, plus any local amendments.
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