Hardware Electronics This brilliant outlet cover plate adds a USB port to your wall, no wiring necessary By Shawn Knight March 31, 2015 at 5:15 PM 17 comments ...

Buy some covers and try them out before buying enough to do your entire house or several rooms. These cover plates mount to a subplate that is installed under the mounting strap of the outlet or ...

The new SnapPower Charger, however, offers an alternative. It's a wall outlet cover plate that provides 1 amp of USB power, with no rewiring or extra hardware necessary.

The Guidelight replaces your existing outlet cover, just like the SnapPower Charger ($22 at Amazon, you can read our review here), with one that has two interior arms with metal contact plates.