Columbia Voltage and phase ordinance (§ 27-102)
Chapter 27: Utilities · Article III. Water and Light System
In short: Electric service is normally 120/240 volts single-phase or 120/208 volts three-phase, both sixty-cycle, unless the department's existing voltage in your area differs. Other voltages need the director's special approval, and customers must state the phase and voltage they want when applying.
Our plain-English summary, not the official text or legal advice. The ordinance below is what counts.
Electrical service will normally be provided at 120/240 volts, single-phase, sixty-cycle or 120/208 volts, threephase, sixty-cycle, except that in areas where the department's existing secondary voltage is other than above, such existing voltage may be provided. Other service voltages may be provided if requested, by special approval of the director. Customers shall inform the department, at the time of making application for service, of the phase and voltage desired.
Official source: City of Columbia official Code of Ordinances (online): look up Sec. 27-102
Text from Supplement 139 (September 3, 2026).
Last checked November 1, 2026. The city's official copy controls; this page is a reading copy, not legal advice.