International Electrotechnical Commission (IEC). Power symbol. 2002
  • Not on view

The earliest binary switches were marked with an I and an O to denote, respectively, a closed electrical circuit (device on) and an open circuit (device off). In 1973, these two symbols were combined into one now-familiar icon, initially referred to as “standby setting.” Thirty years later, an international committee of scientists and engineers undertook a research project, ultimately recommending in 2002 that this combined symbol should stand for its more commonly accepted understanding: “power.”

Gallery label from Energy, 2019
Medium
Digital file
Object number
138.2015
Department
Architecture and Design

Installation views

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