30 CFR § 75.822 - Underground high-voltage longwall cables.

---
identifier: "/us/cfr/t30/s75.822"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "30 CFR § 75.822 - Underground high-voltage longwall cables."
title_number: 30
title_name: "Mineral Resources"
section_number: "75.822"
section_name: "Underground high-voltage longwall 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"
---


# 75.822 Underground high-voltage longwall cables.

In addition to the high-voltage cable design specifications in § 75.804 of this part, high-voltage cables for use on longwalls may be a type SHD cable with a center ground-check conductor no smaller than a No. 16 AWG stranded conductor. The cables must be MSHA accepted as flame-resistant under part 18 or approved under subpart K of part 7.