Wiring refers to operations during which requires some skills and a modicum of technical knowledge. Before starting work, it is recommended to get acquainted with the list of typical errors made when installing wiring.
It:
- Lack of schemes.
- Poor quality of mounted products.
- The wrong wire size.
- Cores twisted together of dissimilar metals.
- Violation of the rules laying.
- Carrying out work under voltage.
- The absence of a breakdown by groups of loads.
Handyman, able to avoid these mistakes in practice, be able to independently solve the problem. We consider each of these in more detail.
1. Lack wiring circuit
Before beginning a particular indoor field wiring is required to prepare its scheme, taking into account all the design features of the apartment (her example is given below:
Important! Hope that all the parts will be able to keep in mind, can lead to serious mistakes, because of which will have to redo most of the work.
During installation, often overlooked by the most important elements of the circuit wiring. Its completion - a double burden on the artist, at the same time to solve many problems.
2. Quality wiring accessories
Using the installation of low-quality switches and sockets - typical mistake made by novice users trying to save on wiring products. All such attempts usually lead to the opposite effect - necessary after some time to change their new models, ie to double costs.
In this situation there are more serious consequences when because of poor results in closing the outlet and the subsequent fire insulation. Therefore, it is important to remember one "golden" rule - always buy only the installation products, the reliability of which is confirmed by the certificate of quality.
3. The wrong wire size.
A common mistake many novice artists - failure to comply with even one point, according to which the running wires are chosen with a small margin over the section of wires (about 25%).
One should always proceed from the possibility of increasing the number of consumers in the apartment, significantly increases the load on the grid. Therefore, a general rule in this case is as follows: select cable cross section for connecting sockets, particularly at least 2.5 mm. square
4. Compound dissimilar metals
Another fairly common mistake when installing the wiring is the design of the connection wires of dissimilar metals in the form of a conventional twist (even with the subsequent soldering). In any case, because of incompatibility in electrochemical wiring connection area of copper and aluminum will eventually destruction and loss of contact material.
Note: Ideally, the house does not need to use aluminum wire.
But if they were "inherited" from the old wiring - to connect them with copper conductors require the use of special adapters, in which a direct contact between two wires is absent.
5. Violation of the rules laying
In line with the requirements of the SAE wiring in the premises is carried out only horizontally or vertically, and nothing else. However, many budding electricians in order to save the wire is pulled at an angle to the line joining the walls and flows (as pictured below).
To do so in any case it is impossible, because in the future you can forget about a gasket and start drilling the wall in a place where the wires are laid. Compliance with the rules of parallel and horizontal mounting will avoid trouble with their damage.
6. RHandling live
Another important point, which can not be exceptions and that is self-explanatory - all work must be carried out with fully de-energized (off opening machine).
7. The absence of loads by group
Last, and is a common mistake concerns the preparation of a wiring pattern in which individual consumers are not divided into groups. Inadmissibility of this is due not only to the requirements of the SAE. Doing this is impossible, for the simple reason that in an emergency situation has always demanded a separate machine, through which it is possible to disconnect a consumer group.