30 C.F.R. § 75.508-2 Changes in electric system map; recording.
Title 30 - Mineral Resources
Changes made in the location, electrical rating or setting within the mine electrical system shall be recorded on the map of such system no later than the end of the next workday following completion of such changes.
Title 30: Mineral Resources
PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES
Subpart F—Electrical Equipment—General
§ 75.508-2 Changes in electric system map; recording.

