It also comes with built-in surge protection to guard TVs, computers, phones and other tech toys from power spikes.

To understand why electric outlets aren’t all the same, you need to know how a plug works. In the U.S., the slot on the right side of an electrical outlet is called the “hot” side and the ...

I removed the bulb and put a plug adapter in there, so that I could plug in my hanging lights and outdoor Bluetooth speaker. The problem now is that I can't have one on without the other.

The Meross Smart Wi-Fi Plug (MSS120) has two outlets per unit, so you can control double the devices for your money. But two MSS120 plugs don’t fit on the same dual-outlet electrical plate.

That could change for you if you buy a good outlet extender. Walmart is currently selling one as a Flash deal, and the sale ...

Other outlets — especially older ones — only have two slots and can only fit two-prong plugs. Some power strips and extension cords may also only be compatible with two-prong plugs.