We’ve been trained to think about the basic design and usefulness of a kettle since kindergarten: “I’m a little teapot - short and stout. Here is my handle, here is my spout.” That friendly little ditty dates back to 1941, when tea was all the rage in Britain during the second world war. Today, it’s a good reminder that when it comes to shopping for a kettle, the basics are always important. Much has evolved over the decades - electric kettles are all the rage thanks to their energy-efficient construction. Here are four electric kettles that will fit you to a T.