690.12 Rapid shutdown
What changed in 690.12
New Exception No. 2 drops rapid shutdown for PV on open detached structures like carports and parking shades, and the inside-array compliance options went from three to two.
Point by point
- Exception No. 2 is new: no rapid shutdown for PV on nonenclosed detached structures like carports, parking shades and solar trellises.
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- 4 more points on exactly what changed
- The 2020 rule next to the 2023 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®Revised
Rapid shutdown limits stayed the same. Inside the array boundary, the listed-system option is now a PV hazard control system listed for the purpose.
Open the 2020 page →2023 NEC®RevisedYou're here
New Exception No. 2 drops rapid shutdown for PV on open detached structures like carports and parking shades, and the inside-array compliance options went from three to two.
2026 NEC®No change
This section did not change from 2023 to 2026.
More 2023 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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