NEC® Changes · 2026 NEC®

702.4 Optional standby capacity

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

What changed in 702.4

Optional standby sizing now ties into Article 130 for load management and PCS, and gives one- and two-family dwellings with listed multimode inverters a third sizing choice.

Point by point

  • 702.4(A)(2)(b) now points to Article 130: 130.30 for load management and 130.70 for PCS settings.

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  • 4 more points on exactly what changed
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This section across NEC® editions

2020 NEC®No change

This section did not change from 2017 to 2020.

2023 NEC®No change

This section did not change from 2020 to 2023.

2026 NEC®RevisedYou're here

Optional standby sizing now ties into Article 130 for load management and PCS, and gives one- and two-family dwellings with listed multimode inverters a third sizing choice.

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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