After a fast run across the southern Free State from Springfontein, the Johannesburg - East London "Amatola" is approaching the R701 road bridge just north of Bethulie, passing an electrical sub-station that supplies power to the 25kV overhead.
Classes 7E, 9E, 11E, 14E, 15E, 19E, 20E and 21E.
7E & 11E are 25kv AC locos. 9E & 15E are 50kv AC locos and the remainder are dual-voltage (25kv AC & 3kv DC).