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Electrical Safety

Working with electricity can be dangerous. Learn how to keep yourself and others around you safe when dealing with electrical equipment.

Engineers, linemen, electricians, and others work with electricity directly, including overhead lines, cable harnesses, and circuit assemblies. Office workers and salespeople work with electricity indirectly and may also be exposed to electrical hazards. Here are 14 electrical safety tips!

General Electrical

  • Use the right tools for the job.
  • Plan every job and think about what could go wrong.
  • Use non-conductive tools whenever possible.
  • Water, electrical equipment and power cords do not mix!
  • Don’t use flammable chemicals around electricity.
  • If you don’t know how to do a job properly, don’t do it. Ask for help. 

Portable Electric Equipment Cords

  • Protect flexible cords and cables from physical damage. 
  • Check cords for cut, broken, or cracked insulation.
  • Replace cords that are physically damaged.
  • Extension cords are for temporary use.

Lock Out Tag Out

  • Machines and equipment must be locked out and tagged out before you start working on the equipment.
  • Lock out/ Tag out is worth your time.


  • Use three prong plugs.
  • Don’t use a cord that has a damaged grounding prong.

Overhead Power Lines

  • Look up and around you.
  • Keep equipment and your body at least ten feet from power lines.
  • Be careful when working at elevated levels such as on buildings.

Verification of De-Energized Equipment

  • Test every circuit and every conductor every time, before you touch it.
  • Isolate equipment from energy sources.

0.5 - 3 mATingling sensations
3 - 10 mAMuscle contractions (painful)
10 - 40 mA"Can't Let Go" phenomena
30 - 75 mA Respiratory paralysis (possibly fatal)
100 - 200 mAVentricular fibrillation (likely fatal)
200 - 500 mAHeart clamps tight
1.5 A Tissue and organs begin to burn