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Federal regulations · Through 2026-08-25 · Newer source version available

30 CFR 57.12050: Installation of trolley wires.

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Where this section sits in the code
  1. Title 30—Mineral Resources
  2. CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR
  3. SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH
  4. PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES
  5. Subpart K—Electricity

Trolley wires shall be installed at least seven feet above rails where height permits, and aligned and supported to suitably control sway and sag.

Collected 2026-08-27T02:25:24Z. Source file · JSON

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