They are a component of current dividers that allow you to switch current only in certain parts of the house.
In the management of home lighting also helps Automatic Electric.It allows you to automatically turn lights on a photocell reacts to movement, so you can make household savings.
At the same time in the homes can be installed additional electrical protection against the tremendous overload.Selection of specific devices will no longer belonged to the electrician.
They help the owners of a farm in choosing the best home lighting and the best lighting helps in the breeding of plants and animals.
During the installation of electrical systems in large buildings, the risk is much greater than in a small building.Moreover, often when such work in parallel running of several or a dozen electricians and this creates a really big threat to the health and life of people in the vicinity. That is why it is important to follow the law in this area. They should be observed not only employees, but also the person supervising their work, which after all, for the construction of large buildings is missing. It is worth remembering, because thanks to these simple rules, we can ensure that all persons in the vicinity of the construction safety..