Any electrical appliances need to use wires, and the type of wire is generally selected according to the current passing through the wire.
Calculate Cross-sectional Area
The cross-sectional area of the wire is equal to S=πr² times the number of wires, and r represents the radius.
Wire Size Corresponds to the Current that Can Pass
![Wire Size Corresponds To The Current That Can Pass](https://vabira.com/wp-content/uploads/2021/09/Wire-Size-Corresponds-to-the-Current-that-Can-Pass.jpg)