590.6 Temporary wiring general
What changed in 590.6
General temporary wiring rules moved from 590.4 to 590.6, with extra wording cut and guards for LED lamps addressed.
Point by point
- General temporary wiring rules moved from 590.4 to 590.6.
The full lesson is in the Pro Version
Get the whole breakdown
- 3 more points on exactly what changed
- The 2023 rule next to the 2026 rule, side by side
- What to do and check on the job
One membership unlocks every NEC® change lesson for 2020, 2023 and 2026, plus every video, quiz, flashcard and the Testing Center.
Checking your membership…
This section across NEC® editions
2020 NEC®Revised
Found at 590.4 in the 2020 NEC®.
A new construction-site exception covers permanent GFCI-protected circuits used for temporary power: no cover needed on plaster-ring splice boxes, plus pigtail lampholders and finger-safe devices are allowed.
Open the 2020 page →2023 NEC®No change
This section did not change from 2020 to 2023.
2026 NEC®RevisedYou're here
General temporary wiring rules moved from 590.4 to 590.6, with extra wording cut and guards for LED lamps addressed.
More 2026 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.
NEC® and National Electrical Code® are registered trademarks of the National Fire Protection Association (NFPA). Electrical Exam Coach is not affiliated with or endorsed by NFPA.
Find it faster on test day