How many people in the U.S. are injured by electrical hazards each year? Approximately 4,400 people are injured each year by electrical hazards each year. (2015) By ProMatcher Staff Updated: 08/08/2016 Next Question Source: ESFI Next Question Find Local Pros Free Actuaries Cost Estimates Related Questions How many home electrical fires occur each year in the U.S.? How Much Does Electrical Work Cost for a Home Addition? Does Knob and Tube Wiring Contain Asbestos?Top answer: Not sure Can attic insulation touch knob and tube wiring?Top answer: No Can Knob and Tube Wiring Be Grounded?Top answer: No