How does power supply work?
Power supplies deliver electrical power to devices in order for them to function. This usually means that they take an input supply and convert it to whatever parameters are needed in order to deliver it to the component it is attached to. This might be done through a device such as a current transformer, which steps up or down the electrical current to the voltage needed by the component.
Types of power supply accessories
Power supply accessories are manifold, but some common examples include: