Surface and Underground

1. CFR
2. ›
3. Title 30
4. ›
5. Chapter I
6. ›
7. Part 57
8. ›
9. Subpart K
10. ›
11. Subject Group Surface and Underground

Sections

Section numbering in the official eCFR can be non-consecutive. Omitted section numbers are not treated here as reserved unless the source explicitly labels them that way.

• 57.12001
  § 57.12001 Circuit overload protection.
• 57.12002
  § 57.12002 Controls and switches.
• 57.12003
  § 57.12003 Trailing cable overload protection.
• 57.12004
  § 57.12004 Electrical conductors.
• 57.12005
  § 57.12005 Protection of power conductors from mobile equipment.
• 57.12006
  § 57.12006 Distribution boxes.
• 57.12007
  § 57.12007 Junction box connection procedures.
• 57.12008
  § 57.12008 Insulation and fittings for power wires and cables.
• 57.12010
  § 57.12010 Isolation or insulation of communication conductors.
• 57.12011
  § 57.12011 High-potential electrical conductors.
• 57.12012
  § 57.12012 Bare signal wires.
• 57.12013
  § 57.12013 Splices and repairs of power cables.
• 57.12014
  § 57.12014 Handling energized power cables.
• 57.12016
  § 57.12016 Work on electrically-powered equipment.
• 57.12017
  § 57.12017 Work on power circuits.
• 57.12018
  § 57.12018 Identification of power switches.
• 57.12019
  § 57.12019 Access to stationary electrical equipment or switchgear.
• 57.12020
  § 57.12020 Protection of persons at switchgear.
• 57.12021
  § 57.12021 Danger signs.
• 57.12022
  § 57.12022 Authorized persons at major electrical installations.
• 57.12023
  § 57.12023 Guarding electrical connections and resistor grids.
• 57.12025
  § 57.12025 Grounding circuit enclosures.
• 57.12026
  § 57.12026 Grounding transformer and switchgear enclosures.
• 57.12027
  § 57.12027 Grounding mobile equipment.
• 57.12028
  § 57.12028 Testing grounding systems.
• 57.12030
  § 57.12030 Correction of dangerous conditions.
• 57.12032
  § 57.12032 Inspection and cover plates.
• 57.12033
  § 57.12033 Hand-held electric tools.
• 57.12034
  § 57.12034 Guarding around lights.
• 57.12035
  § 57.12035 Weatherproof lamp sockets.
• 57.12036
  § 57.12036 Fuse removal or replacement.
• 57.12037
  § 57.12037 Fuses in high-potential circuits.
• 57.12038
  § 57.12038 Attachment of trailing cables.
• 57.12039
  § 57.12039 Protection of surplus trailing cables.
• 57.12040
  § 57.12040 Installation of operating controls.
• 57.12041
  § 57.12041 Design of switches and starting boxes.
• 57.12042
  § 57.12042 Track bonding.
• 57.12045
  § 57.12045 Overhead powerlines.
• 57.12047
  § 57.12047 Guy wires.
• 57.12048
  § 57.12048 Communication conductors on power poles.
• 57.12050
  § 57.12050 Installation of trolley wires.
• 57.12053
  § 57.12053 Circuits powered from trolley wires.