230.43 Service wiring methods
What changed in 230.43
You can now run service-entrance conductors in Type TC-ER cable.
Point by point
- Type TC-ER cable was added as an allowed wiring method for service-entrance conductors.
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- 3 more points on exactly what changed
- The 2017 rule next to the 2020 rule, side by side
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This section across NEC® editions
2020 NEC®RevisedYou're here
You can now run service-entrance conductors in Type TC-ER cable.
2023 NEC®Revised
The Type TC-ER cable entry for service-entrance conductors now requires cable identified for that use.
Open the 2023 page →2026 NEC®No change
This section did not change from 2023 to 2026.
More 2020 changes in Article 230
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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