480.1 Battery scope
What changed in 480.1
Article 480 dropped the word standby, so it now covers all stationary batteries that aren't listed energy storage systems.
Point by point
- The word standby was removed from the title and scope; the article is now Stationary Batteries.
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- 3 more points on exactly what changed
- The 2023 rule next to the 2026 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®No change
This section did not change from 2017 to 2020.
2023 NEC®Revised
Article 480 is now titled Stationary Standby Batteries, and its scope covers standby battery installations over 1 kWh.
Open the 2023 page →2026 NEC®RevisedYou're here
Article 480 dropped the word standby, so it now covers all stationary batteries that aren't listed energy storage systems.
More 2026 changes in Article 480
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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