Prospective short-circuit current

Okay kiddo, so let's say you have a toy car and you want to see how fast it can go. You know it needs energy to move, right? Just like your car, electrical equipment needs energy too.

Sometimes, too much energy can flow into an electrical device and it can cause a problem called a short circuit. This is when the energy goes straight through instead of going through the right way. It's like if you tried to take a shortcut but got lost and ended up going the wrong way.

Prospective short-circuit current is a way of predicting how much energy will flow into the device if there is a short circuit. It helps us know how much energy we need to control so that we don't cause any damage or harm. It's like knowing how much food you need at a party so that everyone has enough to eat, but you don't end up with too much leftover.

So, just like you can predict how fast your toy car can go by using energy, we can predict how much energy might go through an electrical device if there's a short circuit.