408.43 Panelboard orientation
What changed in 408.43
Panelboards can no longer be installed facing down.
Point by point
- The 2020 NEC® already banned mounting a panelboard face-up.
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Get the whole breakdown
- One more point 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®New
Panelboards can't be installed facing up.
Open the 2020 page →2023 NEC®RevisedYou're here
Panelboards can no longer be installed facing down.
2026 NEC®No change
This section did not change from 2023 to 2026.
More 2023 changes in Article 408
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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