215.10 Ground-fault protection of equipment (feeders)
What changed in 215.10
A new exception lets temporary feeders that connect a generator for repairs, maintenance or emergencies skip ground-fault protection of equipment, but only as long as needed and never past 90 days.
Point by point
- Still required: GFPE for 1,000-amp and larger feeder disconnects on 480Y/277-volt and similar solidly grounded wye systems.
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Get the whole breakdown
- 3 more points on exactly what changed
- The 2017 rule next to the 2020 rule, side by side
- What to do and check on the job
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This section across NEC® editions
2020 NEC®RevisedYou're here
A new exception lets temporary feeders that connect a generator for repairs, maintenance or emergencies skip ground-fault protection of equipment, but only as long as needed and never past 90 days.
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 215
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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