358.10 EMT uses
What changed in 358.10
Buried EMT now needs fittings identified for direct burial, galvanized EMT in earth still needs corrosion protection, and manufactured wiring systems were added to EMT's uses.
Point by point
- EMT buried in earth now needs fittings identified for direct burial.
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- 4 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®Revised
A new 358.10(E) allows steel and stainless steel EMT in spots exposed to physical damage. EMT is still barred where the damage would be severe.
Open the 2020 page →2023 NEC®RevisedYou're here
Buried EMT now needs fittings identified for direct burial, galvanized EMT in earth still needs corrosion protection, and manufactured wiring systems were added to EMT's uses.
2026 NEC®No change
This section did not change from 2023 to 2026.
More 2023 changes in Article 358
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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