NEC® Changes · 2023 NEC®

352.10 PVC uses

RevisedChanged in the 2023 NEC® (from the 2020 NEC®)· Updated October 24, 2026

What changed in 352.10

PVC in concrete and PVC exposed to damage are now spelled out more clearly. Schedule 80 conduit and elbows are required where damage is likely.

Point by point

  • PVC is plainly permitted to be encased in concrete.

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  • 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

PVC in concrete and PVC exposed to damage are now spelled out more clearly. Schedule 80 conduit and elbows are required where damage is likely.

2026 NEC®No change

This section did not change from 2023 to 2026.

More 2023 changes in Article 352

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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