30 CFR § 57.20032 - Two-way communication equipment for underground operations.

---
identifier: "/us/cfr/t30/s57.20032"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "30 CFR § 57.20032 - Two-way communication equipment for underground operations."
title_number: 30
title_name: "Mineral Resources"
section_number: "57.20032"
section_name: "Two-way communication equipment for underground operations."
chapter_name: "MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR"
subchapter_number: "K"
subchapter_name: "METAL AND NONMETAL MINE SAFETY AND HEALTH"
part_number: "57"
part_name: "SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL 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."
regulatory_source: "50 FR 4082, Jan. 29, 1985, unless otherwise noted."
cfr_part: "57"
---


# 57.20032 Two-way communication equipment for underground operations.

Telephones or other two-way communication equipment with instructions for their use shall be provided for communication from underground operations to the surface.