Is it dangerous to insert cardboard into the socket?
The outlet began to melt from a heavy load. An electrician called, he put cardboard in it "to strengthen the outlet." Is such a solution safe?
Can I connect a cooker hood motor without a control unit?
In the hood, the control unit burned out. Is it possible to put a conventional switch instead, that is, to connect the motor directly? Will it work?
Is it dangerous to use a faulty shower?
On the control panel for lighting, radio and others in the shower, the protective coating was damaged. Is it safe to use the cab further? Can electric shock?
How to distinguish the type of induction sensor: pnp or npn?
How to cast an induction sensor type in an electrical circuit? How to determine whether it is PNP or NPN? What graphic symbol should be?
How to choose a protection device for LED lamps?
How is surge protection designed for parallel and series LED luminaires? In which cases to connect in parallel, and in which in series?
Electric Shocks, Stove and Water Faucet
When I touch the refrigerator door, electric stove or faucet, I feel an electric discharge. What is it? Static electricity or is there a problem with the wiring?
Where in the two-key light switch is zero and earth?
Three wires come out of the box. I found the phase with the help of a tester, but I can not understand where zero is and where is the earth. How to connect a two-gang switch in this case.
Which cable to choose on a line 60 meters long with a load of 312 amperes?
I connect 3 heaters of 72 kW each, through three separate machines. How to choose a cable for laying the line from KTP. The line length is approximately 60 meters, the current is more than 312A.
Why, when disconnecting one wire at the input, the voltage does not disappear?
Two wires, phase and zero, came from the pole. At the input, I disconnected one wire, and the floor of the house remained energized. What could it be?
Why does the bell sound when the light is turned on?
Twice when the light is turned on for a split second, the doorbell was triggered and turned off. This happened when the chandelier was turned on, and when the sconce was turned on through the outlet.
Why the engine does not start under load from a single-phase network?
The electric motor has 2 capacitors, one at 100 microfarads, the other at 25. It does not start under load until you rotate the shaft by hand. Will replacing a capacitor help?
Why knocks out a difavtomat at the input?
He laid new wiring in the extension. But when you connect the heater to one of the sockets, the diflomat machine is knocked out at the input. In other outlets, this heater is working properly.
Why does a car battery charger give 16 volts?
When charging a car battery with a CB15 charger, its voltage rises to 16 volts at its terminals. Is it OK? Is it dangerous for the battery?
What are the types of LED lamps for the home
LED lamps are on the market in a wide range. In the article, we examined what types of LED lamps are available according to the base, the shape of the bulb, and other criteria.
Is there a difference in electricity consumption with a different number of heating elements?
In an electric boiler, it is possible to select the number of switched on heating elements. Will the electricity consumption and bills for it change if several TENs are disconnected?
How to take readings from the counter of OS EMOS-2?
The OS EMOS-2 counter is installed, it has 5 digits and after 4 there is a comma. The hostess says to transmit all 5 digits. Is it correct? And how to take readings?
What to do if the light flashes when turning off after flooding the apartment?
After flooding, the lamps flash in the off state. The Criminal Code denies eliminating this problem. What to do and why it is dangerous to use lighting in such a situation?
How to connect a two-gang switch if it has no phase?
When connecting the chandelier, I found out that there is no phase on the switch, 3 wires are laid to it and zero on all. Can I connect it in this case?
Is it possible to become an electrician lighting from scratch in 27 years?
Unlearned at a vocational school for a carpenter, but I never became one, now I'm 27 years old and wanted to learn how to work as an electrician in lighting. Is it worth it to do and what you need to know for this profession?
Why does the starting capacitor of the electric motor not work?
When starting the engine without a load, everything is fine, but with a load, when a starting capacitor is connected, the engine does not gain momentum, but rather slows down.
If you connect a wire of 1.5 square meters. mm with 2.5 sq. mm which will burn off first?
If you connect a cable with 2.5 mm² cores with 1.5 mm² cores, which one will burn first - the one that is thinner or thicker? Thinner will heat up and the insulation will melt.
How to choose a wire or cable for a line length of 1500 meters?
We are in the field and we need to lay electricity for light bulbs and charging mobile phones. How to choose a cable and its cross section? Is APPV 2x2.5 suitable?
Which RCD to choose for washing and dishwasher?
How to choose an RCD for connecting a washing machine and dishwasher, the same as an automatic machine or at a higher current? Leakage current 10 or 30 mA? Type of operation AC or A?
How to connect sockets: in series or in parallel
What are the ways to connect outlets. What is the best way to connect the sockets to each other: a loop, a star or in a mixed pattern. Overview of existing wiring diagrams.
