Download "ТОП 5 заблуждений начинающего электрика. Часть 1 Ноль не бьет? УЗО без заземления.."

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Как правильно соединить ЭЛЕКТРО ВИЛКУ - мамку | ДЯДЯ ВАСЯ

Как правильно соединить ЭЛЕКТРО ВИЛКУ - мамку | ДЯДЯ ВАСЯ

Channel: Pro Science

Вводной кабель в квартиру с этажного щита. Замена автоматов

Вводной кабель в квартиру с этажного щита. Замена автоматов

Channel: ЭЛЕКТРИК ПРОФИ

Прокладка кабеля в дом | ТРЕХФАЗНОЕ ПОДКЛЮЧЕНИЕ

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С чего начать электрику в квартире? Составь план!

С чего начать электрику в квартире? Составь план!

Channel: ЭлектроЛ Сервис

Первое, что должен усвоить начинающий электрик

Первое, что должен усвоить начинающий электрик

Channel: ЭЛЕКТРИК ПРОФИ

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первое чо должен усвоить начинающий электрик

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elektrik

электрик профи

узо без заземления

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почему ноль не бьет током

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00:00:02

erroneous opinions of a

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novice electrician, the conviction

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of which can not only lead to

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dire consequences

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but also, in my opinion, to a significant

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slowdown in the process of improvement in the

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field of electricity and electrical installation, but

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first, important information for subscribers

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and guests of the communication channel with the risk of

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restrictions for everyone

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authors and users of Russian

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YouTube I have created additional

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channels on electrical engineering on Russian

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platforms and a price index and rutub where

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all videos will be duplicated. It is also

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planned to publish

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unique articles and tests on the price index, so

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welcome to the links in the description, you can

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go subscribe and support me and

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so on first misconception of a novice

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electrician: a lamp begins

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to glow because electric current

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comes to it through two wires,

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remember that the lamp will

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glow only if the

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electric current passes through it

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through no incandescence, and

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so with all electrical devices, the

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electric current whose strength depends

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on the resistance the filament in

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our case and the

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network voltage before turning on the

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electrical appliance

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moves along a closed circuit,

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if we have an alternating current, then after

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turning on, say, the machine, the electric

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current begins to move along a closed circuit,

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changing its direction from plus to minus

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and back 50 times per second along the circuit,

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conditionally the phase of the transformer phase

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conductor

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spiral resistance of some kind

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neutral conductor and neutral of

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the transformer

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if we have a constant current then after

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turning on the switch the current moves along the

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same path but in one direction as is

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customary from plus to minus by the way, having understood at the

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time how electric

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current moves, I immediately learned how to connect wires in

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boxes and assembling electrical panels is the

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second and dangerous misconception of a novice

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electrician: supposedly, an electric shock can

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only be received from a phase conductor

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or contact; this can often be

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heard in the settings, but as a

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practicing electrician, declaring 0 can also give an electric shock

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to and normal from a phase, even sometimes

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the reason for this can be there may be any

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unpredictable faults in the

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network, for example, a break in the working 0

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I either

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then and at zero through the filament I

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will say the Nadya phase appears, measure the

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voltage between the ground loop and 0

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230 volts

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return zero to its place

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now the voltage is really

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minimal 184 millivolts and also if the

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pen breaks common conductor 0 let's

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say in an apartment building the

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neutral conductor may

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receive a phase from the neighbors I have a video about

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broken conductors in an apartment

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building the link is in the description under the video

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be sure to look also in a

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three-phase network at zero a

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dangerous potential may appear as a consequence of the

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asymmetrical distribution of the load

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across the phases on the line and other factors,

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between the working zero and, say,

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grounding or grounding there is always

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some kind of potential, so at the same time the

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working 0 and a conductor somewhere in the circuit

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or grounding and grounding bus are better not to

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touch, assuming that at zero and on the ground

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the potential always hits 0 only phases from

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phase and other erroneous judgments the

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third misconception, a pattern without grounding is

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useless, a

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very common misconception even

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among working electricians, disconnect the ground

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conductor from the grounding loop, remove

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everything Nikola, there is no grounding, I have 2

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videos about current leakage and

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operability from thoughts already on how to

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ground the circuit so and without it, I’ll

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leave a link to them in the description, so we know

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that the electric current moves in a

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closed circuit and therefore, in a working

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network, the current strength on both the phase conductor

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and the neutral one will be approximately equal, not

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counting the scanty background leaks, and so

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let’s make sure of this

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only by measuring

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I don’t have pincers on hand, so we put

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a multimeter in the gap,

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so on the phase conductor a

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current of

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262 milliamps passes through me again, and now

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on the zero

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conductor, in a different way, there is also a current of 262

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milliamps, and the principle of the

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protective shutdown device is,

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say, tracking the passing current and in

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the event of a difference its values on the phase and

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neutral conductors already reacts and

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disconnects the faulty line; all that remains is to

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find the cause of the current leakage and

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eliminate the fault; current leakage

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can occur for various reasons and can

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cause a fire and

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electric shock to a person; the insulation of the

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wires begins to wear out over time;

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new wiring can be damaged

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accidentally as a result of mechanical

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impact and other malfunctions

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in all these cases, a current leak occurs,

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or more precisely, a ground fault current

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directly to the neutral of the transformer,

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bypassing the pattern and

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it works, but I note that in

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no case does it replace grounding or

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grounding for different power system circuits

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and

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is an additional necessary

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measure of protection and is not installed only in rare

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exceptional cases 4 installation of a

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circuit breaker per group according to the

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principle that the higher the rating of the circuit breaker, the

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less likely it is to

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trigger an overload, but we must not

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forget

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about one of the two main purposes of the

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circuit breaker; circuit

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breakers of a certain

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rating are just like that and protects the cable of the

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appropriate cross-section from overheating

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leading to the insulation breaking down and this

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further reduces the

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insulation resistance and current leakage can lead to

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fire of the insulation or flammable

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materials in the immediate vicinity of the

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cable

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so-called power. We have a total of

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about 4 kilowatts, a little more powerful than an

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oven, so in order to sleep

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peacefully a cable with a cross-section of one and a half squares

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is protected by an automatic machine no more than 10 operas two

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and a half square no more than 16 amperes 4

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square no more than 25 amperes 6 square

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current no more than 32 amperes current 10

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square no more 40 amperes if in the

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electrical panel in a new building

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the ratings of the circuit breakers are too high and it

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is not possible to change the circuit breaker, then I recommend

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not using several powerful

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electrical appliances at the same time and

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the last misconception of a novice

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electrician is that low voltage is not dangerous and the

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current strength kills them, the voltages are all

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right, the current strength actually kills but

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which one the magnitude that will pass through

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the body at the moment the current touches the leading

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parts, God forbid, depends on the magnitude of

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the voltage and resistance

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along the path of passage of this current, not to

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mention the path of passage of the current through

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the heart and the duration of passage of the

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electric current; resistance may

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vary depending on the moral and the

00:08:13

physical condition of a person, humidity

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and many other factors, and maybe

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even less than 1000, there have been cases when a

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person received an electrical injury from an electric

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shock with an alternating voltage of

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only 12 volts, we calculate according to Ohm’s law, 12

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volts are divided by the resistance of the

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current path at the moment of the shock, let’s take

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thousands and so we divide 12 by 1000

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0.12 amperes in translation milliamps and a

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current of 12 milliamps passed through the body along a

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path with a resistance of 1000; at a

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voltage of only 12 volts, we turn to

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the table; the current of 815 milliamps is

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painful, but it is still possible to

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free yourself from the

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electrodes; in general, nothing good,

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therefore, as an electrician Practitioner offering

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and strongly recommend under voltage We do

00:09:05

n’t work at all

00:09:08

Write your opinion in the comments Maybe you have

00:09:10

something to add Suggest more

00:09:12

options for myths in electrical installation and

00:09:14

misconceptions of novice electricians For the

00:09:17

second part, reminding us to add to the

00:09:19

Rutub price index and telegram with a link in

00:09:21

the description and I have all the best with that At

00:09:24

work

Description:

Приглашаю всех в наш чат Telegram "Электрики России" https://t.me/joinchat/5IrR45I_4-c1YjNi Доп. ссылка на чат https://t.me/electricians_of_russia В процессе освоения профессии электромонтажника, от более опытных коллег можно услышать абсолютно противоречивые мнения по поводу ключевых моментов в электрике, которые вводят в заблуждение неопытного работника и замедляют его совершенствование. Поэтому, разбираемся вместе! Дополнительные каналы по электрике на случай блокировки YouTube в России: Яндекс Дзен https://dzen.ru/id/621e5be08fdf75139f43f23d ТЕСТ по электрике на Яндекс Дзен https://dzen.ru/a/YiSwwIh2uzFaB7ec?& Rutube https://rutube.ru/channel/23879244/ Telegram чат "Электрики России" https://t.me/joinchat/5IrR45I_4-c1YjNi Доп. ссылка на чат https://t.me/electricians_of_russia Видео к теме: 1. Как работает УЗО с заземлением и без него. Сработает ли УЗО без заземления! Опыт 1 https://www.youtube.com/watch?v=IfvKoGLprmM 2. Как возникает утечка тока, способная привести к пожару. Суть противопожарного УЗО https://www.youtube.com/watch?v=uORu7F3oa6Y 3. В розетках 0 - 400 Вольт. Как так получается? Обрыв нуля (PEN). Спасет ли реле напряжения https://www.youtube.com/watch?v=1Z3z_0M2dq8

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