Can you connect an earthed socket to a non earthed supply
I have an old house where most of the electric sockets (besides those in the kitchen and bathroom) are not earthed. I plan to have an electrician in to put new wiring in eventually, but right now I want to replace the old sockets in the walls as they are from the 80's. Naturally the new ones I have bought are earthed. Is it ok just to connect the new ones to the old wiring in the meantime?
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So long as you follow the wiring of the existing sockets -- get the polarity correct and (especially) do not connect anything but an earth lead to the socket's earth pin.