D.C. Mun. Regs. tit. 17, r. 17-219
An individual who has been licensed in the District as a steam and operating engineer for a period of four (4) years and who performs work within the purview of the D.C. Electrical Code is eligible to take an examination for a special license in electrical maintenance and repair work.
A person eligible under § 219.1 may take any examination provided for by this chapter if the applicant has at least four (4) years of experience under the steam and operating engineer's license in work within the purview of the D.C. Electrical Code.
An individual who has learned his trade by having been employed by a person, firm, or corporation in maintenance and repair work as an apprentice electrician under the direct supervision of a master electrician, master electrician specialist, or a maintenance and repair electrician for a period of four (4) years may be licensed as a maintenance and repair electrician.
The applicant shall demonstrate to the examining board a practical knowledge of the Electrical Code as it pertains to the class of wiring at the premise where the license is applied for; and an ability to maintain electrical installations and to repair apparatus, equipment, fixtures, and appliances in accordance with the D.C. Electrical Code and established standards.
D.C. Mun. Regs. tit. 17, r. 17-219