DC means direct current, also called constant current whose magnitude and direction do not change with time. It is a closed conductive loop composed of DC power supply and resistance. The uses are diversified and the price is cheap, which is very beneficial to people’s daily life.
Currently, it is mainly used in digital products, small household appliances and testing. It is used for power output and charging of various digital products and small household appliances. Although the function is simple, it is indispensable. The DC cord can also transfer the switching power supply or transformer through the DC current to other places, such as the power supply of liquid crystal displays, surveillance cameras, and equipment controllers.
DC cords are divided into DC power cords, DC connecting cords, DC plug cords, DC charging cords, DC waterproof cords, and so on.