![]() ![]() If it is heated too long, the toast will turn black and begin to smoke. If the bread is close to the heating element for the right amount of time, it turns a light brown color and turns into toast. The heating elements heat up everything around them, including the bread. This means the wire gets very, very hot! The same kinds of heating elements are used in combination with a fan in household hair dryers. All the energy can't transfer down the nichrome wire, so instead its energy becomes heat. ![]() But nichrome wire can't deliver electricity as well as copper can. That means electricity is easily passed through the wire, which can help all sorts of things work. But other wires are made of metals that are better conductors of electricity. Like most wires in any house, nichrome wire conducts electricity. These glowing red wires are called heating elements.Ī heating element in a toaster is most often a thick nichrome wire. When electric current flows through the coils of wire inside the toaster, they become so hot that they glow red. How does it get power? Įlectricity provides the energy that the toaster needs. An American, Charles Strite, invented the pop-up toaster in 1919. A person had to turn the bread over to toast both sides and turn the machine off by hand. ![]() The first electric toaster was invented in 1893 in Scotland by Alan Macmasters and manufactured by Crompton and Co.
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