A power supply is a device that supplies electrical power to an electrical load. Power supplies are used in a wide variety of applications, from simple devices like cell phones and laptops to large industrial machinery. There are many different types of power supplies, each with its own unique characteristics and applications.
It is important to check your power supply regularly to ensure that it is functioning properly. A faulty power supply can damage your electrical equipment or even cause a fire. There are a few simple steps you can follow to check your power supply.