336.10 TC cable uses
What changed in 336.10
Tray cable carrying the TC-ER marking plus a service-use identification can now serve as service-entrance conductors, including underground runs when it's also identified for direct burial.
Point by point
- New list item 12 adds service-entrance conductors to the allowed uses for Type TC cable.
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- 3 more points on exactly what changed
- The 2020 rule next to the 2023 rule, side by side
- Why it changed
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This section across NEC® editions
2020 NEC®Revised
In one- and two-family homes, TC-ER-JP cable is now clearly allowed for branch circuits and feeders, inside and out, and TC cable can go in hazardous locations where Chapter 5 permits.
Open the 2020 page →2023 NEC®RevisedYou're here
Tray cable carrying the TC-ER marking plus a service-use identification can now serve as service-entrance conductors, including underground runs when it's also identified for direct burial.
2026 NEC®No change
This section did not change from 2023 to 2026.
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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