This is a unique approach towards making a animated circuit visualizations for training and education purpose. Mainly this style of representing the wiring circuit of any machine/vehicle achieves more positive results from end user point of view. This is not just animated but it is also interactive and wherever required or essential user needs to provide input to trigger desired event in the circuit.

Example I –  User needs to operate the starter button or key-start to operate the circuit in a vehicle. See few of the interesting samples for your reference here. (external link to images page)