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General Electrical Safety

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Agenda Electrical Injuries Classification of Exposure Electrical Hazards Electrical Hazard Control

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Electrical Injuries Electrocutions: 1970s: 600-700 per year 1990s: 300-400 per year (NIOSH, 1998) 5th leading cause of occupational fatalities. 7% of total deaths, ranked after motor vehicle crashes, homicide, falls, and mechanical trauma. Each year, electrical accidents cause as many as 165,380 electrical fires and 7,000 injuries.

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Classification of Exposure High Voltage >600 volts: typically associated with outdoor electrical transmission. Accounts for 60% of electrocutions (OSHA). Note: some people classify >480 volts as high voltage. Low Voltage: