402.6 Fixture wire size
What changed in 402.6
The minimum size rule now allows fixture wire made of copper-clad aluminum.
Point by point
- Fixture wire can now be made of copper-clad aluminum.
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- One more point on exactly what changed
- The 2023 rule next to the 2026 rule, side by side
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This section across NEC® editions
2020 NEC®No change
This section did not change from 2017 to 2020.
2023 NEC®No change
This section did not change from 2020 to 2023.
2026 NEC®RevisedYou're here
The minimum size rule now allows fixture wire made of copper-clad aluminum.
More 2026 changes in Article 402
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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