Which NEC edition does Maryland enforce?

NEC 2020 (current, varies locally)

The short answer

Maryland has no statewide adoption of the National Electrical Code: cities and counties adopt their own edition. The edition the app cites for Maryland is NEC 2020, labelled current, varies locally.

Current edition
NEC 2020 (current, varies locally)
Adoption
No statewide adoption: cities and counties adopt their own
Source
www.jadelearning.com (secondary: there is no statewide rule to cite)

Code adoption cycles change. Always confirm the edition and amendments in force with your Authority Having Jurisdiction (AHJ) before permitting work.

How does Maryland adopt the NEC?

The State Board of Electricians licenses electricians statewide, and the 2021 Maryland Electricians Act charges it with adopting minimum standards for electrical services consistent with the most recent NEC; counties adopt and enforce their own NEC editions (see the note). Since July 1, 2021 local jurisdictions no longer license electricians, but they may require local registrations, permits and inspections.

What are Maryland's amendments to the NEC?

The app's record for Maryland lists no individual amendments; the adoption summary above says how the state applies the code.

Who issues electrical permits in Maryland?

County and municipal building departments issue permits and inspect under the state code floor.

Who licenses electricians in Maryland?

Statewide licensing of master, journeyperson and apprentice electricians through the Department of Labor's State Board of Electricians (since July 1, 2021); local jurisdictions no longer issue electrician licenses but may require local registrations, permits and inspections. Licensing board: Maryland Department of Labor - State Board of Electricians.

Maryland Department of Labor - State Board of Electricians

Is Maryland moving to a newer NEC edition?

No statewide electrical installation code; counties adopt. Montgomery County enforces NEC 2017 (Executive Regulation 23-19) and Prince George's County NEC 2020. Check the county.

Is Maryland on NEC 2026?

Not statewide: Maryland has no statewide adoption, so the edition depends on the city or county. The edition the app cites, NEC 2020, is two editions older than NEC 2026; check with the local building department.

What changed in NEC 2026, section by section

Also on NEC 2020