30 CFR § 75.505 - Mines classed gassy; use and maintenance of permissible electric face equipment.

---
identifier: "/us/cfr/t30/s75.505"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "30 CFR § 75.505 - Mines classed gassy; use and maintenance of permissible electric face equipment."
title_number: 30
title_name: "Mineral Resources"
section_number: "75.505"
section_name: "Mines classed gassy; use and maintenance of permissible electric face equipment."
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"
---


# 75.505 Mines classed gassy; use and maintenance of permissible electric face equipment.

****[Statutory Provision]

Any coal mine which, prior to March 30, 1970, was classed gassy under any provision of law and was required to use permissible electric face equipment and to maintain such equipment in a permissible condition shall continue to use such equipment and to maintain such equipment in such condition.