To keep the inquisitive child” from dangerous “experience” with an electric shock will help a simple device. In textolite disc Ø 38 mm and a thickness of 2 mm drilled Central hole Ø 3 mm and symmetrically from it at distance of 19 mm apart two holes Ø 4,5 mm. Installing the disk over the lid sockets, connect them with flat-head screws. Now when you turn off the device from the network by turning the textolite disc securely “lock” the socket.
SHARONOV, Novosibirsk, Russia
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