300.3 Conductors
What changed in 300.3
Taps or connections made to paralleled conductors now have to pick up every conductor in the parallel set, not just one.
Point by point
- New in 300.3(B)(1): any tap, connection or extension from paralleled conductors must connect to all conductors of that set.
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Get the whole breakdown
- 3 more points on exactly what changed
- The 2017 rule next to the 2020 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®RevisedYou're here
Taps or connections made to paralleled conductors now have to pick up every conductor in the parallel set, not just one.
2023 NEC®No change
This section did not change from 2020 to 2023.
2026 NEC®No change
This section did not change from 2023 to 2026.
More 2020 changes in Article 300
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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