The equipment uses little power and can run from wall plugs, generators or batteries.
Desktop computer users could always get enough power from the wall plug.
The batteries get their energy from an electric supply, sometimes a normal wall plug, like those in a house.
These look like ordinary wall plugs," he said, "but they have listening devices built in.
It still needs to be tethered to a wall plug.
I have tried large screws into wall plugs, but they don't hold.
The car currently gets 50 miles per charge off its 12 batteries and can be plugged into any wall plug.
There was a wall plug in the panelling behind the back benches of the government section.
I need a physical shell - a wall plug to keep me charged up.
And Jammer reached out and pulled the phone's line from the wall plug.