The film is intended for students of vocational technical schools.
Electrical equipment in the feed shop.
Cowshed.
Damaged wire.
Cow's head.
Tools for the work of an electrician.
Explosion.
Wiring insulation.
A group of people is walking through the cowshed.
The grounding scheme on the farm (animation).
A tractor with a trailer carries silage.
Poultry house.
Lamps in the poultry house.
Loading of fodder grasses into the trailer.
The tractor touches a broken wire.
The trainee earths the wire.
Drags the electrocuted tractor driver aside.
Gives him first aid.
An ambulance arrives.
The tractor driver is taken away by doctors.