Norton WiFi Privacy - Questions Protection on my Mac..

I just purchased the 5 device version of Norton WiFi Privacy. All of the devices I will be using it on are connecting via WiFi only, so I suspect these devices will all go through the VPN for the protection and anonymous surfing, etc.

My Mac However, has a WiFi connection I use for connecting to the network allowing my wireless printers to all be reached by the Mac. I also have a wired connection on the mac going straight to my router. Will the VPN supplied by the product also work through my wired connection giving me the same protection as a WiFi only connection since the software is installed on the Mac? Or does it only attach in between the WiFi networks the Mac Connects to?

Thanks in advance for info here.