2023 Author: Philip Bishop | [email protected]. Last modified: 2023-08-25 07:54
It is believed that, on average, a modern apartment consumes about 8 kilowatts of power. So a 40 amp circuit breaker should be used. This is enough to protect against overload and short-circuit current. Residual current devices (the so-called RCD) are needed to protect people from electrical injuries, as well as during power surges. Most often, 2 RCDs are installed, one with a leakage current of 10 milliamps (for a bathroom) and the second - 30 milliamps (for a socket group). You can find out in more detail about the correct installation in the article about the RCD.
The wire itself is chosen based on the fact that the load on it should not be higher than 8 A / mm sq. For the socket group, a single-core copper wire 1.27 mm in diameter is sufficient.
You should carefully consider the wiring route diagram in order to safely carry out the installation of electrical wiring in the apartment, and the video tips below will help you with this. It should be borne in mind that wall chasing should be minimal, the routes should not intersect. The electrical wiring is laid only in horizontal and vertical straight lines. In apartments, hidden wiring is usually done, located in the groove - 1.5 - 2 centimeter deep. The walls are channeled with a disc grinder. A diamond cutting wheel is used. The slots for the installation and distribution boxes are punched with a puncher. The wiring is fixed with alabaster mortar every 25 cm - 30 cm. Mounting nests are also fixed with alabaster. You can not save on the length of the wire - it should be enough to freely conduct all the necessary connections. It is better to insulate the joints with heat-shrink tubing or PVC tape. It is forbidden to directly connect wires made of different metals - only through terminal blocks. It is also not recommended to use twists when connecting. Over time, in places of twists, the wire acquires increased fragility. It is better to use soldering with active fluxes such as zinc chloride.
All places of any wire connections are placed in junction boxes, without exception. It should also be remembered that the hidden electrical wiring in the apartment, made by hand or running under drywall, siding or clapboard, must lie in a protective sleeve.
The strobe for an outlet or switch should not go above it. It is better to take plastic installation boxes - they provide a tighter fixation. Calculation of the number of outlets - 1 outlet per 6 square meters of floor space. Switches and sockets are best located 75–80 cm above the floor.
All work is carried out on a de-energized network. Connection to power circuit breakers only after checking the entire network.
Do-it-yourself electrical wiring in the apartment video
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Watch another video “How to properly replace sockets and switches”. It will be useful for viewing to everyone who encounters this and does not know how to install electrical wiring in an apartment, video tips are attached below.
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