Like many people, I have a mess of USB adapters littered across the house and I'm looking at the wall sockets with built in USB sockets. My house was rewired with HPM elite wall sockets and switches ...

I was looking at power boards in a hardware shop yesterday and noticed that a) many of them had USB sockets, and that b) the ratings for the USB sockets varied widely, from 1A to 3A. If I wanted to ...