In the end, the overhead system was selected.

They confirmed that the overhead electric system would have to be used, although the conduit current collection system was preferable.

The motor whirred, and plastic-sleeved, hangered orders swished by me, carried along on an overhead system of tracks.

"The entire overhead electrical systems in some areas had to be rebuilt," he said, adding that all but a few customers should have power by Friday morning.

He was in a huge body cast and was for some reason attached to an overhead system of pulleys and wires.

Expense: initial cost can be more than overhead systems.

The store includes motion sensor lights throughout the store, including on the freezer doors, and an overhead light system that can be controlled by each department.

Third rail systems using lower voltages than overhead systems still require many more supply points.

After the decommissioning of the overhead system in the 1980s a variety of diesel locomotives could be seen hauling the train.

It is used especially where an overhead system would be obtrusive.