Semiconductors

Is it dangerous for auto mechanics to work on electric or hybrid cars?
Answered by HowStuffWorks
  • HowStuffWorks

    HowStuffWorks

  1. Electric and hybrid cars are powered by large battery packs, some of which generate 200-300 volts or more of electricity. Most of them are designed to shut off power if a collision or short circuit is detected. Also, the high-voltage cables of electric cars are a bright orange color to warn people not to touch them. One possible danger could occur if the batteries that contain nickel-metal hydride come in contact with water and form hydrogen. If enough hydrogen is formed, an explosion could result. But this is unlikely, and the risk of it happening is only in the case of a ruptured battery. Mechanics need only keep the work area well ventilated.

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