Electricity and Electrical Hazards
Electrical System Components Part 1
Electrical System Components Part 2
Working on Power Cables, Circuits, and Equipment
Grounding and Testing
Concluding the Investigation
MSHA 30 CFT 56 Subpart K – Electricity
Explain electrical properties and list electrical hazards found in surface mines.
Identify components of electrical systems and explain how they must be controlled to protect workers.
Describe how to safely work on circuits, power cables and equipment.
Explain the purpose and requirements for grounding and testing.
Describe lockout/tagout procedures.
This lesson addresses the requirements given in Part 56 Subpart K – Electricity and also includes lockout/tagout procedures. The lesson will review electrical properties, explore electrical hazards that can be found in a surface mine setting, and explain the safety systems and controls in place to protect workers. Workers will learn how to safely work with electrical system components and equipment, including the procedures for locking and tagging out.
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