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Electrical Solution in the house

In this article we will focus on the design and installation Electrical Solution in the house , the cottage, cottage, country house, etc. You will find answers to many common questions, for example, how to correctly complete a home power supply project  , connect a cable line to a power line support, design and install electricity metering and distribution boards, how to determine the estimated power consumption and choose protective devices, lay  electrical wiring in the house , install sockets and luminaires, perform a ground loop and a potential equalization system and much more. 

The information will be useful for designers, installers, students of educational institutions, people who are fond of electrics who want to understand the essence of the process and take part in the design and installation of electrics in the house. You don't have to read a lot of literature, because I will try to outline the basic materials that are really useful and useful briefly and without unnecessary water.
In this article we will focus on the design and installation Electrical Solution  in the house , the cottage, cottage, country house, etc.

Connecting a cable line to a support, installing an Electrical Solution metering cabinet on a portable stand and entering a cable line into the house For branching from the power line to the house, it is recommended to use cable lines of the AVBbShV type (when laying in the ground), VVGng (AVVGng) type or a self-supporting wire SASPSsh, when laying it open. In this case, the cross-section of the cable line must be at least 10mm2 for copper  and 16mm2 for aluminum.

Consider the example of connecting the power line to the house installation cabinet the example metering system at the remote rack.To connect the cable line to the support, we use clips of the ZOI type or similar, designed for branching off self-supporting insulated wires. Using these clamps, we connect our cable line to the 0.4 kV power line. Contact between the wires of the power line and the branch cable is ensured by puncturing the insulation with knives while tightening the clamp.

From the start of the cable from the support, we carry out in a steel pipe D = 40mm, which is fixed to the support using a special fastening unit UKN-2 or a similar device. Then we lay our cable line from the support to the installation site of the ShchUE electricity metering cabinet.
In this article we will focus on the design and installation Electrical Solution  in the house , the cottage, cottage, country house, etc.

Pri laying observe following basic rules:

1. Depth cable installation should be at least 0.7m. On sections when the line is entered into the house and at the intersection with underground structures, it is allowed to reduce the depth to 0.5 m, provided that the cable is protected from mechanical damage (laying in a pipe).

2. rokladka cable line is at a distance - parallel line - 1m under crowded conditions - 0.5 m, with the cable protection (laying in tube) - 0.25 m. When crossing a pipeline - 0.5m, when protecting a cable - 0.25m. In relation to trees - 2m, to shrubs - 0.7m.

3. The cables should have a backfill on the bottom and a backfill on top with a layer of sown sand. Along the entire length of the cable line must be protected from mechanical damage by covering in one layer with ordinary clay brick across the route, or with a special protective and signal tape. 

The SHCHUE metering cabinet along with the meter and the necessary protection devices can be easily found on the Internet. The Electrical Solution meter in most cases should be electronic. Induction meters can be used for individual residential buildings only with a power of up to 3.5 kV.

The electricity meter can be single-phase or three-phase. It all depends on the power that is required to power the house. According to the TKP, it is recommended to use a single-phase input for power supply of residential and public buildings with a power up to 12 kV, and three-phase input at a power above 12 kW. However, this condition is advisory in nature and in practice I have met cases with a three-phase input and at lower powers and I think this is the right decision.

Shch UE is installed on a stand, which can be made of a metal box or a tray with a lid welded to a steel base as shown in the figure above. There are also reinforced concrete attachments on sale, but this option will cost you more. A alley from SCHUE similarly paving our cable line to the shield dispensing Qp, which is placed directly in the building. Electrical Solution Usually the SCR is located in the hallway or in the vestibule at the front door. It is necessary to take into account that the temperature in the vestibule is not lower than 5C in winter.


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