Cottage, cottage, just some country house or private estate - all this has one thing in common. All these "residences" usually need an autonomous water supply, their own sewage system, and sometimes a system that ensures the pumping out of melt and emergency polluted water from the basement. The implementation of such systems is carried out using pumps and pumping stations.

A pump is considered to be a mechanism designed to pump pressure in a liquid medium, and a pump station is a device that includes, in addition to the pump, the necessary drive (most often an electric one), a storage tank, and elements of an automation system. In order to understand how to connect a household pump, you need to get acquainted with the classification of pumps and their applications ...

The choice of sockets for stoves and washing machines. The selection is made according to some basic operating parameters. Here they are:

1. The number of phases required to power the electrical receiver, that is, its "phase". In any case, a three-phase connection requires a socket with five connectors: L1, L2, L3, N and PE. A single-phase power supply is enough for a socket with three connectors: L, N and PE. Three-phase in our case can only be a stove, and even then only if it is possible to connect to a three-phase network.

2. The rated current load on the outlet. The passport of any device usually indicates electrical power, and data on the current drawn from the network may not be available. But electric power is never indicated on the body of electrical outlets - there is only information about the maximum permissible current ...

The TN-C electrical grounding system has long been outlawed and banned for use. But it is easy to ban, but what about those whose homes were commissioned long before the introduction of new norms and rules?

Indeed, for the operating organization, the modernization of the common house wiring and bringing it at least to the TN-C-S system is an overwhelming waste of time, effort and money. And therefore, people living in old-built houses often face the challenge of incorporating modern household appliances into a two-wire network with a TN-C grounding system. And most of the questions arise when connecting powerful devices with a metal case.

The latter relates, first of all, to the electric stove and the washing machine. So, how do you enable these devices in your TN-C home network? The sequence of actions is ...

Household appliances are becoming more and more sophisticated every year. So "smarter" that when buying you start to doubt your mental usefulness.

It seems that you are unlikely to really be able to master this miracle - you would remember how to turn on the simplest and most necessary set of functions, and the remaining gadgets will obviously remain without use. In addition, the idea arises that, since the technique is complex, it is as easy as spoiling or breaking it.

And when it comes to a washing machine or an electric stove, it must be kept in mind that they still need to be connected. Yes, and do it right. After all, an entry in the instruction manual explicitly states: “The connection must be made by qualified specialists. Otherwise, the warranty may not be valid. ” And the guarantee is our everything! ...

An isolation transformer is a transformer that is designed for electrical (experts say - galvanic) separation of the power supply network and the consumer of electricity. Consumers are us and why divide us? For safety!

The main task of the isolation transformer is to increase electrical safety due to the fact that its secondary circuits do not have electrical connection with the ground, and therefore with the grounded neutral of the transformer substation - a voltage source.

In this case, the occurrence of an electrical breakdown on the case does not cause overcurrents, and the device itself remains in working condition. If a person accidentally touches a part of the device that is accidentally energized, the leakage current will not exceed a life-threatening threshold and tragedy will not happen ...

The solution to everyday problems that occur when using the welding machine at home and in the country. Practical experience in using various types of welding machines.

The snow is gradually melting and the summer season is approaching, which for many is associated with the construction or troubles of arranging a summer cottage. One of the indispensable devices in the summer residence of the summer resident has long been a welding machine, especially since the prices of household welding machines have fallen to affordable for each 4-7 thousand rubles.

If you bought a welding machine for the first time or took it from a neighbor, then the question naturally arises - how to turn it on correctly? Turn it on correctly, it means turn it on so as not to spoil the sockets and wiring when using the device for its intended purpose, not to burn the device itself and carry out the welding process ...

A conventional switch is not suitable for switching on a load of 2 kW or more. The article talks about how to solve this problem.

What needs to be done to turn on the light bulb? Just flip the switch. Nowhere is easier. Well, what needs to be done to turn on the five-kilowatt boiler? Also click the switch? Alas, if this switch is connected directly to the power circuit, then it will exist for a very short time. His contacts are designed for a maximum of 10 amperes maximum. Even if you consider that the switched load is purely active and the power factor is close to unity, these 10 amperes will amount to only two and a few kilowatts for a single-phase load.

Not really something and you will run into such a reserve for power. And what to do? After all, power receivers with a capacity of more than two kilowatts are not so rare in everyday life ...

When installing and arranging the lighting of residential premises, the uniformity of lighting is always in the first place for the consumer. That is why spotlights, LED strips and neon light tubes have become so popular today - their light is not concentrated at one point, does not hurt the eyes and eliminates the appearance of shaded areas.

But with all this, the well-known to us chandeliers located on the ceiling in the center of the room have not lost their positions. On the contrary: the variety of forms and design designs of modern chandeliers is simply amazing.

And, in the end, the need for general lighting of the rooms has not yet been canceled, and a more successful and beautiful solution to this issue than a chandelier has not yet been invented. However, the installation of chandeliers has a number of specific features, which we will try to talk about ...