Jacob's ladder

Experiment no.: 6.4.35
Jakobsleiter
A Jacob's ladder consists of two closely adjacent and horn-shaped wires at which an AC high voltage of 17 kV is applied to. At the position of minimal distance between the two wires, an electric arc forms which moves upwards.

Images for this experiment

Experiment
Electric arc (slow motion picture 1)
Electric arc (slow motion picture 2)