What is the household voltage v in Japan?

The household voltage in Japan is 100V.

Japanese voltage is different from domestic voltage. Because our country has a vast territory and long power supply distance, in order to reduce losses during power transmission, 220V AC voltage is used. Compared with Japan's 100V, it will be more economical and convenient. Compared with Japan, it will be more suitable for long-distance power supply, but the only shortcoming is that it is less safe.

Japan has a strict 100v voltage standard. Precision instruments, precision instruments, high-efficiency electrical appliances, etc. must strictly use 100V, otherwise fatal losses will occur.

If you travel to Japan, you need to pay attention to the different voltages to avoid danger.

Extended information:

Compared with 100V voltage, the advantages of 220V voltage are:?

1. The transmission consumes less power and reduces energy loss. This principle The same as the ultra-high voltage input point.

2. To transmit the same amount of electricity and with the same transmission loss, the cross-sectional area of ??the wires used is twice as small, which greatly saves the use of wire materials

3. Compared with 100 volts, it can reduce the workload of the transformer and ensure more safety for this critical and vulnerable node.

Baidu Encyclopedia-Voltage