406.12 Tamper-resistant receptacles
What changed in 406.12
TR receptacles now include 250-volt, 15- and 20-amp receptacles and reach all education facilities, garages and shared areas. Assisted living facilities joined the list.
Point by point
- The TR rule now covers 15- and 20-amp nonlocking receptacles rated 125 or 250 volts, not just 125 volts.
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- 4 more points on exactly what changed
- The 2017 rule next to the 2020 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®RevisedYou're here
TR receptacles now include 250-volt, 15- and 20-amp receptacles and reach all education facilities, garages and shared areas. Assisted living facilities joined the list.
2023 NEC®Revised
The tamper-resistant receptacle list grew: boathouses, manufactured homes, fitness centers, rehab and group homes, foster care, nursing homes, psychiatric hospitals and public areas of farm buildings.
Open the 2023 page →2026 NEC®Revised
Found at 406.26 in the 2026 NEC®.
Tamper-resistant receptacles are now required in park and recreation areas, including spots like gardens and play spaces.
Open the 2026 page →More 2020 changes in Article 406
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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