Since there is no direct electrical connection between the input and output, the ground loop and any interference it generates is isolated from the signal.
Ebe ọ bụ na ọ dịghị njikọ eletriki kpọmkwem n'etiti ihe ntinye na mmepụta, ọkpụkpụ ala na nnyonye ọ bụla ọ na-akpata bụ nke dịpụrụ iche site na mgbaàmà ahụ.