If you have a modern power cord going into an older outlet, you may wonder if using a three-prong plug with a missing ground post is safe. It is generally unsafe to use an adapter or to alter the ...

You may unsubscribe at any time. 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 ...

Ask an electrician which way a receptacle, aka outlet, should be installed: “Ground up or down?” Typically, the answer is ...

Have you ever looked at your iPhone cable and then at your computer charger and thought, "Why does one of these have two prongs, but the other has three?" The answer all boils down to personal safety.

Since its invention back in 1904 by Harvey Hubbell the plug has not really undergone a change in form, its purpose was for lighting in the home. The 3 prong plug, invented by Phillip Labre in 1926 ...