23 CAR § 463-207. Maps and associated records

(a) System maps. (1) Each electric utility shall maintain current system schematic drawings and maps depicting plant in all service areas served by the electric utility. (2) Those maps or plans shall be in sufficient detail to enable prompt location of each line and facility owned or operated by the electric utility. (3) Each system map and its associated records shall be maintained in sufficient detail to enable the reconstruction of the system, if required. (b) Changes to maps. (1) Each electric utility shall map or add each change, relocation, or extension of plant to existing system maps no later than twenty-four (24) calendar months after the change, relocation, or extension is completed. (2) Until such changes are posted to the system maps, either sufficiently detailed engineering drawings showing the changes or a reference to the location of the drawings shall be attached to the existing maps.