690.2 PV definitions
What changed in 690.2
Several PV definitions were added, reworded, dropped or moved to Article 100. New terms include AC module system and electronic power converter.
Point by point
- New term: AC module system, a group of AC modules and their wiring evaluated and identified as one package.
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- 4 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
Several PV definitions were added, reworded, dropped or moved to Article 100. New terms include AC module system and electronic power converter.
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 690
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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