Schematic and wiring diagrams of lighting in an apartment and a house

Schematic and wiring diagrams of lightingAccording to the new current rules, all fixtures must be connected with three electric wires. In cases where the apartment is being repaired and the wiring is done according to a two-wire circuit, modernization and transition to a three-wire power supply system with a PE conductor should be carried out. But if the place for connecting it is not prepared on the floor board, then the ends of the protective zero with the yellow-green marking of the insulation are left ready for connection, but they do not commute.

Luminaire connection diagram via a single-button switch. The contact of the switch is connected from phase L. The second end of the cable core is output through the additional terminal of the DC in the junction box on the cartridge to the lighting lamp. The connection of the cartridge must be carried out so that when replacing a burned-out bulb when the switch is on, a person does not fall under the phase potential ...

 

How to protect children from electric shock

How to protect children from electric shockElectricity brings many benefits to man. But it is dangerous, especially for children. If an adult already has a certain life experience and knows basic safety rules, then children, especially small ones, only know this world. They are curious, active, agile, and evaluate everything that surrounds them with their senses.

Children examine all the objects around them, touch them with their hands, they can stick them in their mouths, lick their tongue or bite their teeth, chew. In this way they gain experience for later life. However, the human senses are not able to determine the presence of tension, and children do not understand its dangers.

Parents and all adults are obliged to create safe conditions for their life, to teach the accurate handling of electrical appliances. Providing these conditions requires a differentiated, individual approach, taking into account children's age. Toddlers under 3-5 years old are usually ...

 

How to install a power outlet on the street

How to install a power outlet on the streetOften there is a need to use electrical appliances on the street. For example, you need to connect a Christmas garland, a luminous figure or some electrified instrument to the electrical network.

It is not possible to install the outlet on the street in the same way as indoors, since in the open area, that is, outdoors, the outlet will be affected by various negative factors: splashes, drops or a stream of water, dust, as well as mechanical stress. The socket must be protected from these factors. Consider the question of how to install an outlet on the street.

The first thing to do is to choose a place to install the outlet. An outlet intended for outdoor installation must have a housing that has the highest degree of protection ...

 

Wiring in a wooden house - types and cost of work

Wiring in a wooden house - types and cost of workIn recent years, many of our compatriots, starting the construction of their own houses, give preference to classic log houses. And this is understandable, because these are environmentally friendly buildings made of natural materials.

However, all wooden buildings have one serious drawback, namely a high degree of combustibility of the source materials. Statistics of the Ministry of Emergencies shows that the main cause of the fire of buildings made of wood is a faulty electrical wiring. That is why strict and mandatory requirements are imposed on the electrical installation in wooden houses.

If you plan to build a wooden house, then the priority will be the installation of electrical networks of the future home. You must understand that the quality, and most importantly the correctly completed installation of electrical wiring, is a guarantee of your future ...

 

Terminal blocks for connecting wires and cables

Terminal blocks for connecting wires and cablesInstallation of cable lines and wires ends with their connection. An electrical connection that ensures the health of the entire circuit. This connection must be reliable, must not allow electrical losses and must be protected from accidental access, that is, it must ensure safety.

It is achieved by using special enclosures and junction (distribution) boxes. And the other two necessary conditions are ensured by the use of special certified clamps or terminal blocks. We will talk about the diversity of the latter. But first, we answer the question: “And why exactly the terminal blocks, in fact?” In fact, why can not do ordinary twisting? After all, you often hear or read that the correct twisting will be more reliable than many terminal blocks ...

 

Connecting fans in the bathroom to the mains

Connecting fans in the bathroom to the mainsVentilation of the bathroom and toilet is an integral part of it. Ventilation provides an optimal microclimate in these rooms, both for a person and for objects and interior elements.

Firstly, ventilation significantly reduces the humidity in the room, which is especially true for the bathroom and toilet - rooms with high humidity. Humidity reduction prevents the formation of mold and damage to electrical appliances and interior elements due to increased humidity in the room. Secondly, ventilation eliminates undesirable odors and prevents the growth of bacteria.

Ventilation can be either natural or artificial. In the absence of the possibility of providing natural insulation of the bathroom and toilet, artificial ventilation is used ...

 

Features of installing electrical wiring and connecting household electrical appliances in the bathroom

Features of installing electrical wiring and connecting household electrical appliances in the bathroomA characteristic feature of the bathroom, in comparison with other rooms of the apartment, is that it has an increased level of humidity, and it is also possible that the elements located on it, including electricians, can splash water onto the wall. Based on this, the installation of electrical wiring in the bathroom is somewhat different from the installation of electrical wiring in other rooms of the apartment. Below, we consider the features of installing electrical wiring and connecting household electrical appliances in the bathroom.

It should be remembered that errors in the installation of electrical wiring in the bathroom, as well as the wrong choice of protective devices, can lead to negative consequences - a person is shocked by electric shock, since electricity and water are incompatible things. Therefore, do not neglect the recommendations and it is better to make the wiring in the bathroom reliable and safe to use ...

 

How to safely operate home electrical wiring with household appliances

How to safely operate home electrical wiring with household appliancesA person cannot perceive with his senses: the rustle of electrons running through wires, see the speed of their movement, smell them. We cannot detect electrical energy without special devices, but it can cause great harm to our body. Indeed, a current of 0.05 amperes, with a tragic set of circumstances, causes cardiac fibrillation.

Manufacturers of electrical equipment with energy supply organizations do a lot for the safe operation of electricity. However, it also depends on the owners of the apartments. An example from the life of children. A little boy walked around the room, holding a female hairpin in his hands - an ordinary steel wire. In front of his parents, he stuck it into the openings of the electrical outlet so quickly that they did not have time to react. What happened ...

 
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