Category: Plugs & Receptacles

Finding the Right Dryer Plug

The other day, my friend called me in a panic when he moved into his new house.dryers  When trying to install his new dryer, he noticed his dryer plug did not match the outlet.  His dryer plug only had three prongs, while they outlet had four holes.  While this may be alarming, it is a very common problem.

Prior to 1997, all dryer cords and receptacles only had three prongs and three receptacle holes.  There was one neutral prong and two positive prongs.  However, in 1997, the National Electric Code mandated that all dryers be outfitted with 4 prongs.  A ground prong was added.  If you have read my previous posts on grounding, you will know that grounding an electronic device is very important for safety reasons. Continue reading Finding the Right Dryer Plug

The Magical and Mystical Rotating Plug

rotating2Wouldn’t it be nice if all of your power cords knew exactly what you were thinking, and knew exactly how to rearrange themselves? Imagine the possibilities! Power cord, I need you to fit in the small space between my desk and the outlet! Power cord, I need you to rotate about 45 degrees! Power cord, bake me a cake! Unfortunately, technology is not all the way there yet. But while power cords may not be able to produce baked goods, we do have a jump start on the rotating plug! Continue reading The Magical and Mystical Rotating Plug

The History of Electrical Sockets and Plugs

globeHave you ever wondered why there are so many different sockets and plugs and cords when you travel the world?  I often hear friends complaining about blowing sockets out when they go overseas, or about having to buy so many different adapters when traveling.

“Clark, why can’t they all be the same?” they ask me. “Why haven’t power cords been standardized?”

There is a long answer and a short answer.  The short answer is they have.  The long answer is where we start our story. Don’t yawn! While this tale may seem simple, it is a hallowed story marked by patent corruption, war, and colonialism… Continue reading The History of Electrical Sockets and Plugs