Look for three things when buying a USB wall outlet: charger wattage, available ports and whether it fits in your home's electrical boxes. You can find the charger wattage on the product page or ...

A standard 3-prong outlet is the most common and cheapest type of electrical receptacle you can buy. It rarely costs more than a dollar or two, though some colors cost extra.

Many outlets are compatible with various corresponding plugs, such as Type A and B (American and Japanese), Type C, E, and F, and others. Some outlets feature multiple types in one single outlet ...

Wiring connections—where wires join an outlet, switch or other wires—must be inside an electrical box. Here’s why: Connections are the weak link in an electrical system.