The easiest way to install the Axiom ground loop isolator is to install it beetwen the cable service wall plate outlet and the cable box.
It works to solve the issue when your tv/internet service provider is delivered via ground tansportation;it will not work with a satellite provider.
If your PS3 is connected to the internet it might the origin of your ground loop problem. To verify if it is the case simply remove the internet connection from your PS3. If the hum goes away you have identified the source of your hum problem.
