620.62 Elevator selective coordination
What changed in 620.62
Two exceptions were added to elevator selective coordination: a transformer feeding one device, and same-rated devices in series.
Point by point
- Selective coordination still applies when one feeder supplies more than one elevator driving machine disconnect.
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- The 2017 rule next to the 2020 rule, side by side
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This section across NEC® editions
2020 NEC®RevisedYou're here
Two exceptions were added to elevator selective coordination: a transformer feeding one device, and same-rated devices in series.
2023 NEC®No change
This section did not change from 2020 to 2023.
2026 NEC®Revised
Elevator selective coordination must now be rechecked when overcurrent devices are replaced or the system is modified, matching the emergency and standby rules.
Open the 2026 page →More 2020 changes in Article 620
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