When the overwhelming majority of our compatriots have good-quality 220-volt sockets in their homes, statements that such "happiness" is not in all countries of the world may seem extremely strange. In the USA, for example, most outlets in homes are exactly half as weak - 110 volts. This raises a number of questions. Including about how the Americans are doing with the functioning of household appliances?
It is worth making an excuse right away that the standard voltage of home electronic networks in the United States today is by no means 110 Volts. Similar sockets in America were widespread in the 20th century. Today the situation has changed, although not radically - most houses have 127 volt sockets. Moreover, the transition from 110 to 127 was made not for reasons of a good life, but for the sake of reducing the cost of construction. The fact is that the wires under the 127 Volt network are thinner than the wires under the 110 Volt network. This may seem silly and not significant, but in the context of construction within the framework of an entire country, the savings are enormous.
But why isn't the good old 220 in the US? In fact, there is no difference. Most household appliances work great from both 110 and 127 volts. It just happened in the United States historically, back in the days of the first electrification. All this is nothing more than the specifics of local production. All this is also unimportant because the frequency of alternating current in American power grids is significantly higher. It is 60 Hz. For comparison, in domestic power grids, the alternating current has a frequency of 50 Hz, while it “walks” much more.
Of course, the use of a different voltage and frequency leaves its mark on the home appliance market. Initially, the USA preferred 110 Volts also in order to protect the local market from imported household appliances from European countries. However, no one prohibits the use of equipment under 220 volts in the USA. Moreover, the transition is not difficult at all. For this, a simple transformer-adapter with a price of a few dollars is enough. Ironically, the transition from 220 to 110 or 127 volts is also not easy and cheap to carry out. And most importantly, most American homes have ready-made "household" high-voltage sockets with an already installed transformer.
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If you want to know even more interesting things, then you should read about how to correctly position the sockets in the apartmentto use them conveniently.
A source: https://novate.ru/blogs/270521/59151/
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