I have 2 functioning BT phone sockets upstairs in my house but the downstairs socket does not work but from following the wiring it appears to be wired up.
Is there any way to check whether the cable running into the phone socket is live as if it is I can re-wire it to a new socket.
Is there any way to check whether the cable running into the phone socket is live as if it is I can re-wire it to a new socket.