This is the third lesson in the Electrical Safety Course. This lesson describes the effects electrical current has on the human body. Proper methods of removing a victim from an energized circuit are discussed. Who is “qualified” to perform a particular task and alerting techniques are introduced.

Module Objectives

• Describe how accidental electric shock can occur.
• Describe the affects various amounts of current have on the human body.
• Identify the factors that influence body resistance to electric shock.
• Describe how various current paths through the body affect the severity of electric shock.
• Identify alerting techniques warning of electrical hazards.
• Describe the need to lock and tag a de-energized circuit before working on the circuit.
• Describe who is “Qualified” according to OSHA.