Indicates infrastructure to supply vehicles with electricity, on rail tracks or highways.
The electrified=* key is used to specify the form of electrification system used on railway, tram to and trolley bus systems.
|electrified||contact_line||For an overhead line|
|electrified||rail||For a 3rd or 4th rail system|
|electrified||yes||Unspecified system, one of the above is preferred|
|frequency||The frequency with which the line is electrified. For example 0, 16.7, 50, 60|
|voltage||The voltage with which the line is electrified, for example 630, 1000, 25000|