No owner may permanently wire a smoke detector to the electrical system of a structure without first obtaining an electrical permit from the Permit Division of the Department of Licenses, Investigation and Inspections.
D.C. Code § 6-751.07
Permits
June 20, 1978, D.C
Official source: D.C. Law Library (Council of the District of Columbia). Reproduced from public-domain District of Columbia statutes; confirm against the official source for the current text. Not legal advice.