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I use this for my retro game consoles. I have so many of them and I don't need power to all of them at the same time I wanted to something that I could just switch on and use, and this seems to do the job just fine. I've seen in other reviews that the USB did work for some people. I haven't had that issue, but I'm just charging Bluetooth controllers with it. Overall I'm happy with my purchase and I've had it for several months and not experienced and issue.
The line cable was improperly wired. A GFI Outlet Tester shows hot and neutral switched. This is potentially dangerous. Instead of bothering to go through the return process I re-terminated the line cable because I needed something quickly.