The wires are made into two different colors to make it easier to distinguish the positive and negative electrodes, so as to avoid the problem of short-circuit caused by incorrect insertion
Wires are made into two different colors to make it easier to distinguish between positive and negative poles to avoid short circuits caused by insertion
The purpose of making the wires into two different colors is to make it easier to distinguish the positive and negative electrodes, so as to avoid the problem of short circuit caused by wrong insertion<br>