MSHA Mining Electrical Safety

The course will cover the responsibilities of both employers and employees in regard to electrical safety where mining is taking place.

Beginner, Intermediate, and Advanced
Course Length: 2 Hours

What you'll learn

  • Introduction to Electrical Safety in Mining
  • Mining Electrical Safety Overview
  • Mining Electrical Safety Regulations and Requirements
  • Mining Electrical Safety Best Practices

Course Description

This course presents an overview of electrical safety in both surface and underground mining applications. The course will cover the responsibilities of both employers and employees in regard to electrical safety where mining is taking place. It will provide an overview of the various electrical hazards a miner may encounter. The course will also cover the best practices associated with electrical safety in order to mitigate the occurrence of accidents.

The Mining Electrical Safety online training course consists of content, graphics, audio, self-check questions, and a final exam.

Course Outline

MSHA Mining Electrical Safety Course Outline

About This Course

Course Objectives

Introduction to Electrical Safety in Mining

  • Key Terms
  • MSHA Regulations
  • NFPA Codes and Standards
  • Local Regulations
  • Applicability

Mining Electrical Safety Overview

  • Electrical Safety Statistics
  • Electrical Safety Training
  • Electrical Hazard Analysis
  • SLAM Risks
  • Electrical Safety Hazards
  • Electric Shock
  • Arc Flash
  • Fire/Explosions
  • Burns
  • Batteries
  • Power Lines
  • Additional Hazards
  • Lockout/Tagout
  • Preparation
  • Notification
  • Isolation
  • Dissipation
  • Verification
  • Maintenance and Service Operations
  • Restoration

Mining Electrical Safety Regulations and Requirements

  • Grounding at Metal/Nonmetal Mines
  • Electrical Requirements at Surface Mines
  • Additional Electrical Requirements at Surface Mines
  • Electrical Requirements at Underground Metal/Nonmetal Mines
  • Underground Coal Mining Overview
  • Underground Coal Mining-Permissible Electrical Equipment
  • Underground Coal Mining-Electrical System Map
  • Underground Coal Mining-Short Circuit Protection
  • Underground Coal Mining-Lightning Arresters
  • Underground Coal Mining-Grounding
  • Underground Coal Mining-Repairing High-Voltage Lines
  • Underground Coal Mining-Disconnect and Cut-off Switches

Mining Electrical Safety Best Practices

  • PPE
  • PPE Requirements-Upper Body
  • PPE Requirements-Torso and Lower Body
  • Choosing PPE
  • Additional PPE Requirements
  • Portable Battery and Equipment Inspection
  • Site Inspection and Maintenance


Additional Resources


Frequently Asked Questions

Who must take this training?

This course is targeted at operators, supervisors, safety personnel, and all other individuals who work at mines.

Every person at a mine site has a responsibility to ensure that health and safety standards are being observed at all times. The employer is responsible for providing information, instruction, and supervision to all workers. This includes proper electrical safety procedure. The supervisor is responsible for ensuring that all workers are properly trained and are compliant with MSHA and OSHA regulations. Lastly, workers are responsible for observing all MSHA and OSHA standards and practicing safe work habits.

How often is retraining or recertification required?

According to MSHA 30 CFR § 46.8:

Annual refresher training.

  • You must provide each miner with no less than 8 hours of annual refresher training:
    • No later than 12 months after the miner begins work at the mine, or no later than March 30, 2001, whichever is later; and
    • Thereafter, no later than 12 months after the previous annual refresher training was completed.
      The refresher training must include instruction on changes at the mine that could adversely affect the miner’s health or safety.
  • Refresher training must also address other health and safety subjects that are relevant to mining operations at the mine. Recommended subjects include, but are not limited to: applicable health and safety requirements, including mandatory health and safety standards; information about the physical and health hazards of chemicals in the miner’s work area, the protective measures a miner can take against these hazards, and the contents of the mine’s HAZCOM program; transportation controls and communication systems; escape and emergency evacuation plans, firewarning and firefighting; ground conditions and control; traffic patterns and control; working in areas of highwalls; water hazards, pits, and spoil banks; illumination and night work; first aid; electrical hazards; prevention of accidents; health; explosives; and respiratory devices. Training is also recommended on the hazards associated with the equipment that has accounted for the most fatalities and serious injuries at the mines covered by this rule, including: mobile equipment (haulage and service trucks, front-end loaders and tractors); conveyor systems; cranes; crushers; excavators; and dredges. Other recommended subjects include: maintenance and repair (use of hand tools and welding equipment); material handling; fall prevention and protection; and working around moving objects (machine guarding).

What are the governing regulations?

MSHA divides their regulations into two parts: underground mining and surface mining. Electrical safety requirements for surface and underground mining are outlined in Title 30 of the Code of Federal Regulations (30 CFR) Parts 56, 57, 75, and 77. Because there is often an overlap in mining regulations, you may see regulations from other sections in 30 CFR referenced within this course.

Navigation Strategies

Beginners: Complete the course in order from beginning to end. Once any topic is completed, you will have full access to it at any time for one year after registration, to use as a resource.

Intermediate/Advanced Users: Use the course as a flexible resource tool to find what you need, whenever you need it. Try the assessment tests first, if you get 80%+ you can move to the next level, if you get less than 80% you should complete the lecture. This gives you a pre and post-assessment score, which can be used to track your skills improvements.

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