Power Supply On Off Switch Symbol

Some older devices instead have a power switch that accomplishes the same thing as a hard power button.

Power supply on off switch symbol.

Iec 60417 5009 the standby symbol line partially within a broken circle indicates a sleep mode or low power state. The switch does not fully disconnect the device from its power supply this may appear on a toggle switch opposite a power on symbol alone on a pushbutton that places the device into a standby state or alone on a button that switches between on and standby. The power switch is a rocker switch and it has two symbols on the face. Why is this important.

To turn the power washer on press the down on the power switch. It does not really represent off it represents low power. Because it means that devices with that broken o symbol are not truly off until they are unplugged. Because i thought that it represent a power line that can be plugged on symbol and a closed line and thus without power supply but seen that in wikipedia said that it can come from 1 and 0 used in binary to represent on and off bits i don t know.

O means the power is off and means the power is on. Iec 5009 the standby symbol line partially within a broken circle indicates a sleep mode or low power state. My question is what is its origin. A flip of the switch in one direction turns the device on and a flip in the other turns the device off.

They are the international symbols for power on and power off. I know i line and o circle symbols are used to specify a switch that turn on and off the power supply. The power switch on the back of the case is actually for the power supply installed in the computer. On off power button symbols i o.