700.24 Emergency luminaires with control inputs
What changed in 700.24
This section now covers any luminaire with a control input that provides emergency light, with two paths: (A) an emergency-listed luminaire, or (B) a standard luminaire behind a listed ELCD.
Point by point
- The title now covers any luminaire with a control input that provides emergency light, and the text splits into (A) and (B).
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- 4 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
Luminaires that switch to emergency mode on an outside control signal need an emergency listing; fixtures fed through a listed emergency control device don't.
Open the 2023 page →2026 NEC®RevisedYou're here
This section now covers any luminaire with a control input that provides emergency light, with two paths: (A) an emergency-listed luminaire, or (B) a standard luminaire behind a listed ELCD.
More 2026 changes in Article 700
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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