NEC® Changes · 2020 NEC®

690.12 Rapid shutdown

RevisedChanged in the 2020 NEC® (from the 2017 NEC®)· Updated October 24, 2026

What changed in 690.12

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.

Point by point

  • The 1-foot array boundary and the limits outside it carried over unchanged.

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

2020 NEC®RevisedYou're here

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.

2023 NEC®Revised

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.

Open the 2023 page →
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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