step-down transformers decrease the voltage. The transformer in the diagram above is a step-down transformer – there are fewer turns on the secondary coil than on the primary coil. Type of transformer ...

Note: This article is based on the 2020 NEC. A transformer transfers electrical energy (power) from one system to another by induction, with no physical connection between the two systems (other than ...

Every time you charge your phone, turn on a light, or use an appliance, there’s a silent giant working behind the scenes: the transformer. In this video, you’ll discover how transformers quietly ...