30 CFR § 75.807 - Installation of high-voltage transmission cables.

---
identifier: "/us/cfr/t30/s75.807"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "30 CFR § 75.807 - Installation of high-voltage transmission cables."
title_number: 30
title_name: "Mineral Resources"
section_number: "75.807"
section_name: "Installation of high-voltage transmission cables."
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"
---


# 75.807 Installation of high-voltage transmission cables.

****[Statutory Provisions]

All underground high-voltage transmission cables shall be installed only in regularly inspected air courses and haulageways, and shall be covered, buried, or placed so as to afford protection against damage, guarded where men regularly work or pass under them unless they are 6
1/2 feet or more above the floor or rail, securely anchored, properly insulated, and guarded at ends, and covered, insulated, or placed to prevent contact with trolley wires and other low-voltage circuits.