Hazard Guide
Identifying, Assessing, and Controlling Hazards

Electrical Hazards


Involves sources of electrical energy. Risks include electric shock, burns, arc flash, and explosions due to contact with live parts or faulty equipment.

Electrical Hazards
Construction Industry Examples
  • Exposed wiring in unfinished buildings
  • Missing ground prongs or damaged wiring on power tools or extension cords
  • Overhead power lines
  • Temporary power systems
  • Damaged power tools
  • Improper lockout/tagout procedures
  • Wet conditions increasing shock risk
Tips on Identifying
  • Identify sources of electrical energy.
  • Determine the nature of electrical energy.
  • Check voltage levels and current-delivering capability.
  • Look for potential leakage current and stored charges.
  • Consider risks from direct and indirect contact with live parts.
  • Assess potential for arc flash events.

Control Method Examples:

More Effective

Elimination

Substitution

Engineering Controls

Use voltage testing device

Administrative Controls

De-energization and test before touch policy, use shock protective tools, a ground assurance program

PPE

Use shock protective and arc flash protective PPE

Less Effective