What do the circles in the diagram and (lic, trc, fqir, fir, li, etc.) mean, how are these postscripts decoded, and how do they participate in the automation process?
It is necessary to connect 4-wire, 3-wire and 2-wire wires to each other and connect to the electrical panel of the house. How to do it better?
How to connect a cabinet oven electric SHZHE-2? There are 4 wires: A, B, N and the fourth ground. Can't understand what A, B, N means?
What power supply is needed for 3 RGB-5050/60 LED strips. That is, 15 meters, complete with each 5 meter tape was 12v 3A, what should I change?
In the floor shield, green is screwed to the body, and white and pink come out of the counter. I can’t understand which wire is zero and which ground.
On the wallpaper there are black stripes from wires. They say that it’s my fault, can these wires mean that they are not working and could such a wiring cause a breakdown of the equipment?
Why is zero heated in the wiring. What to do if the zero wire is heated in the shield, in the socket or on the opening machine. Is heating zero dangerous?
Which cable to choose for lighting in an apartment, house, garage or outdoors. Cross section and brand of wire for connecting light. What design should the cable have?
Hello! Tell me which automatic machine to put an electric 6 kW electric stove for the Primavolt bathhouse?
The electricity meter stopped working, replaced with a new one. After a while, the new counter broke. What could be the reasons for the failure of the meter?
A motion sensor was installed in the entrance, it interferes. Is it possible to make such a device to disable the motion sensor so that it never turns on?
How to connect two separate chandeliers to a double switch? Two wires go to the phase switches. They are standing nearby, I want to leave one in place of two.
After replacing the wallpaper in the room there is no light. The wire in the distribution box was disconnected, it was reconnected. There is light in the living room, but not in the room, what should I do?
The dog gnawed a wire from the heater, there are two white wires. There is a wire with three cores. Is it possible to replace a two-wire wire with a three-wire one?
What are conductors, semiconductors and dielectrics in an electric field, what is their main difference. Zone theory in various substances. Video lesson on the topic.
How safe is zero in the wiring? Is it possible to hold onto a consumer while working without harm to health? If not, can it be somehow protected?
Is it possible to lay the tubes of the external circuit of the air conditioning system in the cable shaft? It is possible to use a combustible liquid in the system.
Where can I find schemes for electrifying cabins and building trailers of the Soviet era? They were manufactured industrially and they have an electrification circuit.
How to get rid of cracking of the body of the Vitek convector when heating and cooling. Warm well, although claimed to be silent. The sounds are very loud.
The electric boiler is connected via solid state relays. When the power to the relay is turned off, the boiler turns off, but the indicator lights up in phase. How to turn off the power completely?
Multiple-core wires go to the electricity meter from automatic machines, crimped, but at the ends there are bare wires of 4 mm. They forgot to cut off how scary it is?
We increase power from 3 kW to 15 kW, we need help in selecting a cable. The cable will stretch for 240 meters to the shield. What cable is needed and what section?
What are copper wires and cables. Typical cross-sections and characteristics of copper conductors. Scope of copper wires and cables of different brands.
At night, all sockets in a private house are turned off, and in the morning they turn on! House in a cottage village. How do they disconnect or does someone disconnect them on the village line?