By not working I mean even when installed in the simplest configuration, it does some sort of low power pulsating. It will cycle between charging and not charging a USB device every half second or so.
By simplest configuration I mean hot to hot, neutral to neutral, ground to ground.
I am using this USB wall outlet: http://www.legrand.ca/adorne/select/outlets/arusbw4.aspx#res [PDF]
I also have a night light in a wall outlet connected to the same circuit and while the phone charging connects and disconnects, the nightlight fluctuates a low illumination automatically becoming brighter, dimming, and becoming brighter again, etc.
What is wrong with this configuration or is it the USB unit causing problems?