No public electric lamp shall be maintained by means of overhead wires within either the city limits of Washington or the existing fire limits of the District of Columbia as existing March 2, 1911.
D.C. Code § 9-502
Electric lamps on overhead wires prohibited
Mar. 2, 1911, 36 Stat. 1011, ch. 192, § 8
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.