Step-down transformers are most usually made used to convert the 220 volt of electric current that is seen in almost allover the world to the 110 volts necessary by North American electrical gears and apparatus. For instance, the electrical appliances those are well-liked with American emigrant who don’t like to dump their American appliances while they migrate to Europe. Regrettably step-down transformers might turn out to be dangerous when not handled with proper caution and knowledge of installing them.

Almost all step-down transformers are in point of fact autotransformers. To be clearer we can say that these transformers have only a solitary winding and a center tap while normally there must be two separate, electrically cut off windings.

It is best and advisable never to use a surge protector on the 110 volt side of a 220-to-110 volt step-down transformer. All the appliances that are to be used must be wired properly in accord with the wiring diagram that is given along with it. Always disconnect supply voltage before starting to workout on anything or during installation.