Electrical currents can be quite hazardous to humans. If you are a movie lover, you probably recall the scene in Jurassic Park where the little boy, Tim, gets blasted off the electric fence they had to climb over. In the movie, the fences were used to keep the dinosaurs in. For these fences the electricity going through them was incredible, as it had to be to keep the dinosaurs at bay; much more powerful than fences used to keep in smaller animals like cows and dogs. To monitor the currents in the dinosaur cages, current transformers were probably used. Current transformers are able to measure the Continue reading →