I have direct confirmation of at least three people, now, discovering that their dead outlets and their light switches which don't do anything are in fact connected.
I don't know how this knowledge got lost, but I'll be damned if we don't get it back!
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@TechConnectify I once lived in a place with this "feature". So I was trying to hang a lamp and discovered there is an extra wire. So I call up my electrician friend and ask him what this could mean. He asks me about the colors of the wires and then goes: "Is there a socket in the corner that has no juice?" Spot on!
