Pop Japan

Electricity

Japan's voltage level is at 100 volts. It's lower than the standard levels in North America, Central Europe, and other Asian countries. The electric plugs have two non-polarized inputs, which makes it fit to most outlets. There are two kinds of power outlets, one is identical in size, the other is not (one of the slots is wider).

Despite the conflict in voltage, appliances from other countries, especially North America, will work in Japanese outlets without any adapter/converter/transformer. That said, note that heat-focused devices won't likely work; there's also a chance that it will be severely damaged internally.

As for the frequency of electric currents, there's a slight difference in the country's eastern and western parts, the former is 50, while the latter is 60.

Water

When compared to most countries, Japan’s water storage is not within the average. As a whole, the total dams in the country amounts to almost 3,000. What makes the storage low is their short and steep rivers, which is also below the norm. Among the country’s biggest supplier of water is Lake Biwa, which is also the country’s largest lake. Estimations showed that at least 15 million people in the Kyoto, Osaka, and Kobe area have the lake as their source of water. The quality of water is similar to most first world and second world countries, wherein tap water is safe to drink, regardless if it’s in a residential home or any commercial establishments.

Lavatory:

The three common toilets in Japan are the following:

Squat

It is also regarded as the Asian toilet. Its shape is similar to a male urinal and it's usually cemented to the ground. The correct way of using it is to be in a squat position.

Flush or Western-style

This is the standard toilet across the world. It only became common in Japan after World War II, along with the male urinals.

Washlet

Also called as the Super Toilet or the Japanese Bidet, washlets are the modern toilets in Japan. It is identical with the flush, the only difference is the attached bidet, located just under the seat.