Circlemeansonoroff

,2018年10月20日—Thelinesymbolmeans“poweron”andthecirclesymbolmeans“poweroff”.Thepresenceofboth(I/O)onapushbuttonmeanstheswitchtoggles ...,2023年8月23日—The“0,”alsoknownasIEC5008orthecirclesymbol,cutsoffpowerfromyourdevice.Ifyouseethissymbolattheendofatoggleswitchor ...,2016年10月31日—Previously,theWikipediapageonthissymbolhadsaidthecirclecomesfrom0andthelinecomesfrom1.Now,thepagehasbeeneditedt...

參考資訊如下
Power symbol

does a pushed button with I and O on it mean it is on or off

2018年10月20日 — The line symbol means “power on” and the circle symbol means “power off”. The presence of both (I/O) on a push button means the switch toggles ...

OnOff Symbols and Power Button Meanings, Explained

2023年8月23日 — The “0,” also known as IEC 5008 or the circle symbol, cuts off power from your device. If you see this symbol at the end of a toggle switch or ...

On-off switch

2016年10月31日 — Previously, the Wikipedia page on this symbol had said the circle comes from 0 and the line comes from 1. Now, the page has been edited to ...

Is the circle or straight line symbol on or off for an electrical ...

2019年12月28日 — The circle represents zero (0) and the line is actually one (1). Zero stands for off and 1 stands for on. Hence an On/Off switch. Zero and one ...

Why are the symbols (I O) used for on and off in many ...

2018年4月1日 — IEC 60417-5008, the power-off symbol (circle) on a button or toggle, indicates that using the control will disconnect power to the device.

Does the Circle mean on or off and why?

2018年12月10日 — It represents and old toggle switch.

Is the io on or off? Simple hack to remember for good