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Electrical Safety Review

Electrical Safety Review. Common Hazards. Shocks. Burns. Explosions. Fires. Electricity and the Human Body. ~1ma: Sensation on hands. >3ma: Painful shock which can cause indirect accidents. >10ma: Muscle contraction, “no-let-go” danger. >30ma: Lung paralysis

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Electrical Safety Review

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  1. Electrical Safety Review

  2. Common Hazards • Shocks. • Burns. • Explosions. • Fires.

  3. Electricity and the Human Body • ~1ma: Sensation on hands. • >3ma: Painful shock which can cause indirect accidents. • >10ma: Muscle contraction, “no-let-go” danger. • >30ma: Lung paralysis • >50ma: Possible ventricular fibrillation. • 100ma - 4A: Certain ventricular fibrillation

  4. Protective Triangle Keep Away Grounding GFCI

  5. Electrocution Triangle Electricity Path Time

  6. Fatality An employee received a fatal electric shock while operating a high pressure water sprayer which was connected to a portable light with a receptacle built into the handle. The portable light was being used as an extension cord, and was not approved for wet or damp locations. The electrical cord had been spliced and the cord had been laying in water at the time of the accident.

  7. Fatality Employees were using a defective aluminum ladder near energized power line.

  8. Fatality

  9. Strain on Conductors

  10. Inadequate Strain Relief on Cords

  11. Exposed Live Parts

  12. Exposed Live Parts Missing breakers inside a circuit breaker panel

  13. Utility Boxes • Utility boxes are not approved for usage as extension cords.

  14. Receptacles in Wet Locations • Receptacles in wet or damp locations need covers.

  15. Portable Electric Tools • Inspected before usage. • Remove from service tools with damaged cords. • Use grounded or double insulated tools. • Check continuity of tool.

  16. Rubber Gloves • Must be air tested daily before usage. • Must be electrically tested every 6 months or replaced. • Before issuance gloves may be stored for up to 1 year without being tested.

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