30 CFR § 75.508-2 - Changes in electric system map; recording.

---
identifier: "/us/cfr/t30/s75.508-2"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "30 CFR § 75.508-2 - Changes in electric system map; recording."
title_number: 30
title_name: "Mineral Resources"
section_number: "75.508-2"
section_name: "Changes in electric system map; recording."
chapter_name: "MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR"
subchapter_number: "O"
subchapter_name: "COAL MINE SAFETY AND HEALTH"
part_number: "75"
part_name: "MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "30 U.S.C. 811, 813(h), 957."
regulatory_source: "35 FR 17890, Nov. 20, 1970, unless otherwise noted."
cfr_part: "75"
---


# 75.508-2 Changes in electric system map; recording.

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.