Build Daily

November 29, 2021 10:50

Detection of overheating in junction boxes in 2 seconds

Overheating of the junction boxes is caused by poor contact connections. Excessive heating will lead to accelerated aging of the insulation, to its destruction, short circuit. To eliminate this problem, you will need to replace the wire, and you will not be able to do this with hidden wiring without destroying half of the apartment. The box itself is made of non-combustible material, but the in...

October 28, 2021 18:26

Connecting an electric stove from one phase to three: choosing a cable and a machine

The question is answered: Alexander MyasoedovGood afternoon, I did not understand what and how it is connected to be honest. Does the oven go for 3x6 and 3x2.5? Why so? 2.5 mm² cannot be connected to a 32A difavtomat - no more than 16A should be!Why do you need a machine gun in "zero" and even more so in "ground"? To connect a three-phase consumer, in your case, an electric stove, use a five-co...

October 28, 2021 17:50

Measuring DC and AC voltage: methods

Measuring voltage is not an easy task for a non-professional electrician, but if to figure it out, it turns out that nothing is easier (subject to the availability of special measuring tools). This skill may be needed both for home repair of household electrical appliances or checking in a single-phase or three-phase AC network, and when working with DC circuits: when checking on a battery with...

October 28, 2021 17:16

Is it worth studying to be an electrician at 27?

Crunch asks: Hello!) My question is more of a personal nature, to professional electricians.I was educated for 27 years at a carpenter's vocational school, but I never did. Now I am thinking of studying to be an electrician of lighting and lighting networks. I was fumbling around youtube from idleness and accidentally came across a video on electrical installation. It hooked me with something :...

October 28, 2021 16:40

Charge distribution in a conductor: a short explanation with a video

Electric current is the directional movement of electric charges. For the transmission of electricity, conductors are used, mainly metals. An example of such a material is copper and aluminum, and of non-metals, graphite. The flow of current has one interesting feature, namely, the distribution of charges in a conductor over its volume. We will consider this issue in the article.Content:Charge ...

October 28, 2021 16:05

Music center LG FFH -1079 does not work

Sergey asks: Hello, I have this question, I have a center before that it worked for me, but only cassettes, and for some reason it did not start. And I decided to see what was going on, pulled out the upper cable with cd and, out of stupidity, did not turn it off from the outlet and the cable fell onto the power supply and shorted out.A diode and a microcircuit with 8 legs flew out, I do not re...

October 28, 2021 15:29

Fuses: device, principle of operation, purpose

A fuse is an electrical switching device that is used to disconnect a protected circuit. Its purpose is to protect the electrical network and electrical equipment from short circuit and significant overload. The main parameters of the products are the rated and maximum breaking current, as well as the rated voltage. In this article, we will take a closer look at fuses: their purpose, types, dev...

October 28, 2021 14:55

How to choose a screwdriver and which one is best for different jobs

For electrical installation, fastening and precision work, a screwdriver is an indispensable tool. There are many varieties of this type of product and it is very difficult to choose the right option. To make the right choice, you need to know what types of devices are, their design features and types of tips. Next, we will tell the readers of the site Electrician himselfhow to choose a screwdr...

October 28, 2021 14:19

RCD electronic and electromechanical: how to distinguish and which is better

The residual current device serves to protect a person from electric shock due to leakage. Today, these devices are available in two versions: electronic or electromechanical. The former are more modern and, moreover, are cheaper, the latter, in turn, are on the market longer and, most importantly, are more reliable in terms of protection (we will talk about this below). Next, we will tell you ...

October 28, 2021 13:42

Wireless transmission of electricity over distances

Scientists have been studying the issue of transmitting electricity without wires for the third century. Recently, the question is not that it has not lost its relevance, but, on the contrary, has taken a step forward, which only pleases. Site readers Electrician himself we decided to tell in detail how wireless transmission of electricity developed over distances from the beginning to the pres...