This plug from Leviton is CNET's top pick. The first step is, of course, to unplug anything that is not actively in use or not used often. Examples of devices that could easily be unplugged ...
What would happen if you drove to National Plug In Day in your EV, stopped at a Walgreens afterwards to charge, then found out you couldn't unplug the J1772 coupler? Not a good way to end the day.