220.53 Dwelling appliance demand factor
What changed in 220.53
Only fastened-in-place appliances rated 1/4 hp or 500 watts and up now count toward the 75 percent dwelling appliance demand factor.
Point by point
- The 75 percent demand factor still applies to four or more fastened-in-place appliances served by one feeder or service.
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- 2 more points on exactly what changed
- The 2017 rule next to the 2020 rule, side by side
- Why it changed
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This section across NEC® editions
2020 NEC®RevisedYou're here
Only fastened-in-place appliances rated 1/4 hp or 500 watts and up now count toward the 75 percent dwelling appliance demand factor.
2023 NEC®Revised
EV chargers no longer count toward the 75 percent appliance demand factor.
Open the 2023 page →2026 NEC®No change
This section did not change from 2023 to 2026.
More 2020 changes in Article 220
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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