Electrical Work - National Safety Council

Electrical Work

4% of Non-roadway Fatalities*

Electrical work is a broad occupational category including tasks such as installing, maintaining, and repairing electrical controls, wiring and work on lighting systems. Electrical work may also entail general electrical maintenance, inspection of transformers and circuit assemblies, and assembly of cable harnesses. In addition, electrical work can include installation and maintenance of overhead distribution and transmission systems, underground cables and electrical equipment. Among the most significant risks workers face are electrocutions, arc flash incidents, incidents caused from machine energization, and fires or explosions. 

The information in each section below is listed in the order of relevance to the hazardous situation.


Situational risks – inherent to the situation or proximate cause of injury
  • Electrocutions/arc flash
  • Machine energization
  • Fall to lower level
  • Explosions
  • Fires
  • Struck by vehicle or equipment
Systemic risks – contribute to injury but are not direct causes
  • Improper electrical preparation
  • Lack of training
  • Improper PPE
  • Lack of workplace awareness
  • Improper grounding
  • Permit to work failure
  • Machinery malfunction
Relevant Technology Solutions
  • Arc flash rated personal protective equipment
  • Electrical insulation testers
  • Permit to work technologies
  • Ground fault circuit interrupters 

* Safety Technology 2020: Mapping Technology Solutions for Reducing Serious Injuries and Fatalities in the Workplace

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