You probably have a neutral wire in every outlet in your home, but do you know When did neutral wires become standard? The truth is, the number of “neutral” wires you have may be dependent on the year your house was built. But more importantly, knowing what it does and why it’s there can help keep you and your family safe. If you’ve ever wondered, “when did neutral wires become standard?” or wanted to know more about this protected conductor in every outlet, read on!
Neutral wires first appeared in the late 19th century. In 1880, the International Electrical Congress met in Paris to standardize the use of electric systems. It was then decided that a grounded circuit, or neutral wire, would be a good idea. The first building wired with a neutral wire was the headquarters of the London Electric Supply Corporation in 1889.
The first home with wiring for a neutral wire was the home of the German physicist Heinrich Hertz. He had his laboratory wired with a neutral wire in 1890. In 1892, the Royal Institute of Technology in Stockholm, Sweden was wired with a neutral wire. In 1894, the Holborn Viaduct in London was wired with a neutral wire.
When did neutral wires become standard?
Neutral Wires became standard in the 1890s with the introduction of GFCI outlets. Before that, conductors were protected with ground wires. The ground is still used in most buildings but is considered less desirable than neutral, which is why it is often disconnected when an outlet is rewired.
Wiring a house with two separate hot and neutral 12-volt cables began in the early part of the 20th century. But it took time for this system to become the standard. In the mid-19th century, for example, homes were commonly wired with a single heavy, common circuit wire running from a central source, such as a gas main, for all the electrical appliances in the house. In large houses, a cable, rather than a wire, was often used. For a time, a single-wire system was the only type available.
When you are trying to set up a network, try to use UTP cables with solid color cables. You can use 4 pairs of solid colored cables that have different colors for the pairs. The colors of the wires are used to help you with the network setup. If you are not using a solid-colored cable for each pair, you can use solid-colored wires with white stripes. Now, if you are using solid colored wires, you can install the pairs in any order you want. If you are using solid colors with white stripes, then make sure that you install the pairs in the order that they are on the cable.
The earliest installations of electric service were probably direct connections to the light bulbs, motors, and other appliances in homes, factories, and offices. But early in the 20th century, engineers realized that connecting all of the wires in a building or other structure to one another would not only create a short circuit but would increase the risk of dangerous fires. That’s because if one wire suffered damage, it would quickly become a conduit for large amounts of current, potentially causing a fire. The solution was to connect the building’s power source to its electrical circuits with neutral wires.
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