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switches - What is the origin of on and off power switch symbol? - Electrical Engineering Stack Exchange
https://electronics.stackexchange.com/questions/43279
electronics.stackexchange.comWhat is the origin of on and off power switch symbol?I know I (line) and O (circle) symbols are used to specify a switch that turn on and off the power supply.
My question is What is its origin?
Because I thought that it represent a power line that...
https://electronics.stackexchange.com/questions/43279#comment87145_43283
> Ok I have make contact with secretary of IEC and he confirm that come from logic 1 and 0.Here is he response "Dear Mr Alfonso, Thank you very much for your mail of 13th Oct. They are believed to standardized from logic 1 and 0. Best regards, Yoshikazu Seki, Secretary of IEC/TC 3/SC 3C"
> – PhoneixS Oct 14 '12 at 10:43
electronics.stackexchange.comWhat is the origin of on and off power switch symbol?I know I (line) and O (circle) symbols are used to specify a switch that turn on and off the power supply.
My question is What is its origin?
Because I thought that it represent a power line that...