[R. O. 1947, ch. 11, § 3]
Electrical wiring shall include the installation of conductors, raceways, apparatus, fixtures or other appliances within or on a building or other structure for carrying or using electricity for light, heat or power, or for a signaling system, and the repair, extension or alteration of conductors, raceways and fixtures within or on a building or other structure for carrying or using electricity for light, heat or power, or for a signaling system; except, unless otherwise provided by law, in county, state and federal buildings and in stations, substations and vaults where such are under the sole control of the electric utility company.