Are o and i on or off?

o means off, i means on. According to relevant national standards, o means that the circuit is open, I means that the circuit is closed, and only current can flow through the closed circuit, that is to say, I means open and O means closed.

#The operating environment of this article: Windows 10 system, dell g3 computer.

l Press to open. According to relevant national standards, o means that the circuit is open, I means that the circuit is closed, and only current can flow through the closed circuit, that is to say, I means open and O means closed. Therefore, press the electrical switch in the direction I to turn on the electrical appliance.

We usually use O and I to identify the opening and closing cycles of the power supply. According to relevant national standards, o refers to the circuit being disconnected, I refers to the circuit being closed, and only current can flow through the closed circuit. , that is to say, I represents on and O represents off. We can turn on the appliance by pressing the electrical switch in the direction of I.

Expand: What should you pay attention to when using electrical appliances?

1. When we use electrical appliances for the first time, we need to understand whether the voltage, power, etc. of the product meet the household electricity requirements. For example, whether the electrical sockets, wire specifications, indoor air switches, etc. can meet the needs of the land. Require. If the power of the electrical appliance is too large and the power of the socket is small, the socket may be damaged due to overloading. When using electrical appliances, try to use a separate socket for high-power appliances, and do not use multiple high-power appliances at the same time to avoid circuit tripping, etc.

2. When using electrical appliances, many people are accustomed to turning off the electrical switch, but fail to unplug the electrical appliance in time. If the electrical plug is not unplugged and is always powered on, it will still consume a certain amount of electricity. It will also require a large electricity bill for a long time, which is not conducive to saving electricity. Moreover, leaving electrical plugs unplugged also poses safety risks, such as causing electrical circuits to age faster and causing leakage and other safety accidents to occur easily.

3. When using electrical appliances, we can first check the product manual to understand the taboos of using the product, such as whether the electrical appliance can run for a long time, whether it requires space for heat dissipation, etc. Electrical appliances should be cleaned and inspected regularly after being used for a long time. For example, water heaters, refrigerators, and washing machines need to be cleaned regularly to avoid bacterial growth, etc.

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