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"Accident Poster 15: If the power is not off, do not dig into an electrical outlet with a screwdriver"

Czechoslovakian electrical accident poster (1926) showing the risk of electrical injury from attempted repair of electrical outlets or electrically powered devices without first interrupting the electrical source. The Czechoslovak Electrotechnical Union (ESČ) published a series of around 30 "Accident Posters" by Ing. Š. Andrýska dated 1926. (Source: Edice umělecké reklamy Jana Zieglrose [Jan Zieglros edition of artistic advertising]. Public domain.)

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  • Central nervous system injury
  • Movement disorders
  • Peripheral nervous system injury