These plug into power sockets, and send your internet service over the house's mains electricity cables.
Cables run from the motor to the power socket on the wall.
Then: Take the blue lead and attach it to the point at the rear of the machine immediately above the main power socket.
You will need at least three power sockets and probably four, not to mention a phone jack for the modem.
I think the power socket might on the wrong spot on the cow, though.
The availability of power sockets is constantly improved, sometimes even in second class.
Each seat bay now also has a power socket for passenger use.
We had electric light, two power sockets and a radio/cassette player, but no television.
Switch off the power socket and remove the plug.
Press seats have additional desktop space, power sockets and Internet access.