590.6 GFCI for temporary power
What changed in 590.6
Special purpose GFCI is no longer allowed for temporary receptacle outlets, and an assured grounding program must now be documented and made available to the AHJ.
Point by point
- Special purpose GFCI protection was removed as an option for temporary receptacle outlets.
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- 3 more points on exactly what changed
- 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
Special purpose GFCI is no longer allowed for temporary receptacle outlets, and an assured grounding program must now be documented and made available to the AHJ.
2023 NEC®No change
This section did not change from 2020 to 2023.
2026 NEC®Revised
Found at 590.7 in the 2026 NEC®.
Temporary power GFCI rules moved from 590.6 to 590.7, and the portable generator part now spells out when a portable GFCI cord set can stand in.
Open the 2026 page →More 2020 changes in Article 590
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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