- Title 1 - General Provisions
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- Title 48 - Federal Acquisition Regulations System
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- Title 50 - Wildlife and Fisheries
CFR > Title 30 - Mineral Resources > CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR > SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH (parts 56 to 58) > PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES > SUBPART K—Electricity (§57.12001 to §57.12088) > 57.12068—Locking transformer enclosures.
57.12068—Locking transformer enclosures.
Transformer enclosures shall be kept locked against unauthorized entry.