Module 7 — Maintenance Practices
7.4 — Potential Safety Hazards When Working with Electrical Systems and Protective Equipment
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What you will learn
- Electric shock hazards and effects of current on the human body
- Arc flash, arc blast, and stored energy hazards (capacitors, batteries, power electronics)
- Battery-related hazards: chemical, thermal runaway, fire and explosion risks
- Electrostatic discharge (ESD) and electromagnetic hazards
- Environmental and situational risks (wet conditions, confined spaces, poor accessibility)
- Protective measures: personal protective equipment (PPE), insulated tools, system isolation and verification of absence of voltage
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