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File:Old Soviet grounded socket.JPG

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English: An old Soviet era grounded socket (3 pins). Such sockets appeared in the Soviet Union in 1988 and were installed in kitchens near pipes up until 1991. These I-type ("Australian" style) sockets have not been generally adopted and, after the fall of the Soviet Union, European Schuko sockets were introduced into ex-Soviet countries. At present, the barrier to the use of Schuko sockets in old Soviet buildings is the existing TN-C earthing system (where an "Earthed" Neutral conductor - without a separate Earth conductor is used.) While old-time TN-C networks were built everywhere, the modern code requires at least TN-C-S - with separate Neutral and Earth conductors. Hence, many existing installations are not suitable for using grounded/earthed appliances.
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Author Dmitry G
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current21:28, 23 June 2011Thumbnail for version as of 21:28, 23 June 20113,648 × 2,736 (4.88 MB)Dmitry G (talk | contribs){{Information |Description ={{en|1=Old Soviet grounded socket (3 pins). Such sockets appeared in Soviet Union in 1988 and have been installed in kitchens near pipes till 1991. Such "Australian" type of sockets haven't succeeded and after USSR fail ther

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