Great Britain has used a number of different electrification systems in the past.

There are ovals of track for testing trains, and various electrification systems.

The electrification system became surplus to requirements and was shut down in June 1962.

The border between the overhead electrification systems is at the property boundary.

This connecting line also contains the equipment that controls the change between the two electrification systems.

We put in a new electrification system so it would be more reliable.

In 1981 the Woodhead route and the associated electrification system closed.

The Bury line for example has an archaic four-rail electrification system.

Its electrification system is different from the normal systems.

The cars will be powered by a third-rail electrification system.