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Title 30 - Mineral Resources
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CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR
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SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH (parts 56 to 58)
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PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES
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SUBPART K—Electricity (§57.12001 to §57.12088)
CFR
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SUBPART K—Electricity (§57.12001 to §57.12088)
57.12001—Circuit overload protection.
57.12002—Controls and switches.
57.12003—Trailing cable overload protection.
57.12004—Electrical conductors.
57.12005—Protection of power conductors from mobile equipment.
57.12006—Distribution boxes.
57.12007—Junction box connection procedures.
57.12008—Insulation and fittings for power wires and cables.
57.12010—Isolation or insulation of communication conductors.
57.12011—High-potential electrical conductors.
57.12012—Bare signal wires.
57.12013—Splices and repairs of power cables.
57.12014—Handling energized power cables.
57.12016—Work on electrically-powered equipment.
57.12017—Work on power circuits.
57.12018—Identification of power switches.
57.12019—Access to stationary electrical equipment or switchgear.
57.12020—Protection of persons at switchgear.
57.12021—Danger signs.
57.12022—Authorized persons at major electrical installations.
57.12023—Guarding electrical connections and resistor grids.
57.12025—Grounding circuit enclosures.
57.12026—Grounding transformer and switchgear enclosures.
57.12027—Grounding mobile equipment.
57.12028—Testing grounding systems.
57.12030—Correction of dangerous conditions.
57.12032—Inspection and cover plates.
57.12033—Hand-held electric tools.
57.12034—Guarding around lights.
57.12035—Weatherproof lamp sockets.
57.12036—Fuse removal or replacement.
57.12037—Fuses in high-potential circuits.
57.12038—Attachment of trailing cables.
57.12039—Protection of surplus trailing cables.
57.12040—Installation of operating controls.
57.12041—Design of switches and starting boxes.
57.12042—Track bonding.
57.12045—Overhead powerlines.
57.12047—Guy wires.
57.12048—Communication conductors on power poles.
57.12050—Installation of trolley wires.
57.12053—Circuits powered from trolley wires.
57.12065—Short circuit and lightning protection.
57.12066—Guarding trolley wires and bare powerlines.
57.12067—Installation of transformers.
57.12068—Locking transformer enclosures.
57.12069—Lightning protection for telephone wires and ungrounded conductors.
57.12071—Movement or operation of equipment near high-voltage powerlines.
57.12080—Bare conductor guards.
57.12081—Bonding metal pipelines to ground return circuits.
57.12082—Isolation of powerlines.
57.12083—Support of power cables in shafts and boreholes.
57.12084—Branch circuit disconnecting devices.
57.12085—Transformer stations.
57.12086—Location of trolley wire.
57.12088—Splicing trailing cables.
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