Build days

Adjusting the power of the heating element: an overview of methods

Oct 28, 2021

The question is answered: Alexey BartoshHello! "Voltage reducer" - not quite right to call it. Heating of something by heating elements is controll...

How to connect a dimmer switch and Wi-Fi for a chandelier

Oct 28, 2021

Alexey asks: 1 Switch: It's okay. A chandelier for 2 groups of lamps, it is working, a dimmer from the fan adjusts the brightness of the light on o...

Knocks out the machine after installing the switch and the socket strip

Oct 28, 2021

The question is answered: Alexey BartoshHello, it's not entirely clear to me how you put the switch, because the jumpers are thick and you can't se...

Connection diagram of the capacitor to the hood motor

Oct 28, 2021

The question is answered: Alexander MyasoedovHello! It is necessary to measure the resistance of the windings. You have 3 conclusions, measure betw...

How to make an indication of the presence of mains voltage

Oct 28, 2021

Well, it turns out that if you turn off the input, then you will not get the voltage from the network to the circuit in any way. But if you connect...

Voltage stabilizer: device, principle of operation, purpose

Oct 28, 2021

A 220V mains voltage stabilizer is a device that equalizes the voltage from the mains, up to a certain value, and gives consumers stable 220 volts,...

Is it possible to twist the readings from the meter?

Oct 28, 2021

The counter burned out, I had to change it to a new one. Soon they should come to seal, as I understand that an old meter is definitely needed. Is ...

EMF and voltage in the electrical circuit

Oct 28, 2021

Many people (including some electricians) confuse the concept of electromotive force (EMF) and voltage. Although these concepts are different. Desp...

Is the electrical panel diagram for the apartment drawn up correctly?

Oct 28, 2021

Peter asks: I'm doing an electrician in my apartment, I'm not a beginner in this business, I just got confused in the RCD and in the components of ...

Triac: device, principle of operation, scope

Oct 28, 2021

A triac is a semiconductor device. Its full name is a symmetrical triode thyristor. Its peculiarity is that it is possible to conduct current in bo...