What cable is needed for a wired radio?
Tell me what is the name of the cable for a wired radio point, you need to lengthen it. And how to connect two pieces of such a cable?
How dangerous is a megohmmeter?
Hello! There was a dispute about whether it can kill with an electronic megaohmmeter. If not, how to argue this point of view?
Do I need to change the electric meter?
"Electricity meter СО-505" manufactured in 2009, electricians and require its replacement. I read that its service life is 32 years, the intertesting interval is 16 years. Who is right?
How to connect the lamp, if 4 wires, and the lamp 2?
I purchased a LED lamp. When I removed the old chandelier, I saw that 4 wires were coming out of the ceiling, and the new one had only 2 entrances. Tell me how to connect?
After grounding the computer after a while, the interference resumed
Three months ago, I ground the PC case on a piece of fittings sticking out of the ground, everything was fine. But now the problems are back - hissing and buzzing in the columns. What is the reason?
How to choose a driver for an LED lamp and determine the parameters of an existing driver?
Tell me how to determine the driver parameters from the LED lamp? There is no marking on it. What to take measurements? What are its characteristics?
Do I need a starter for a DNaT lamp?
Hello! I bought a DNaT lamp, they said in the store that I needed to buy a throttle and IZU, and a familiar electrician said that I did not need it. Who to believe?
Potential difference between zero and ground in the TT system
Hello, tell me, can there be a potential difference between zero and the grounding conductor in the TT system? If so, how can this be avoided?
What to do first: electrician or wall plaster
What do you do first when building a new house or renovating an old one? Electrics before plaster or vice versa - after? The article tells you how to do it right.
Help determine what is connected to the meter
Hello! I bought an apartment, it's time to check the counter. An incomprehensible wire hung from it, I disassembled the shield and can not figure it out. I ask for help.
How to connect the woodworking machine IE-6009A2.1?
The IE-6009A2.1 woodworking machine got in a disassembled video. Help assemble it, there are 2 capacitors of 30 mkF each, I can not find the connection diagram.
Why did the wires burn on the transformer TMO?
Burn cables on the high-voltage side of the heating transformer TMO.What could be the reason? I am attaching a photograph.
Help identify the details on the board
Hello! There is a board, the photo of which is attached below. It is necessary to determine what kind of radio components are installed on it.
How to make wireless charging from wired (simple)?
How to make (from) a wire charging with pulse current wireless? Need to charge the lithium battery of a mobile phone.
Can I ground the washing machine from the bathroom?
There is a plastic shield under the bathtub, to which there is a wire connected to the bathtub, is it possible to ground the washing machine to this wire?
Why is the hood shocking when touched?
When you touch the hood and electric cooker at the same time, it is shocking. The electric stove is grounded, and the hood has a plug without grounding. What is the reason?
Overview of ABB circuit breakers S200, SH200l and Basic M series
What are the ABB series circuit breakers for domestic wiring? Differences of popular series and features. Advantages and disadvantages of ABB machines.
How to connect a generator with automatic reserve input?
Hello! I want to install a generator with ABP for power reserve of a private house. Tell the wiring diagram and how to do it better
Why does the machine knock out when turned on?
Hello! The machine knocks out right after I turn it on. In this case, no device is connected. What is the reason and what to do about it?
Why is the speaker coil heated?
I crashed new speakers into the car and noticed problems with one of the speakers. Namely, it is heated in the field of a magnet. Could it be a short to the case? What to do?
What relay to put to operate the fan in the bathroom?
Which relay to choose for a fan in the bathroom? We need constant work at 1 speed when turning off the light, when you turn on work at 2 speeds. Thank.
How to calculate how much electricity a machine consumes?
Hello! Tell me how can I calculate what power the machine consumes, if 312A is written on its tag? If you can give the formula.
Which automatic machine should I put if the wiring is made with a wire with a cross section of 2.5 mm.sq.?
Hello! What should be the rated current of the input machine, if the wiring is laid with a copper cable with a cross-section of conductors of 2.5 square meters. mm.?
How to connect a temperature regulator to powerful TENs?
It is necessary to control the heating using the W1209 12v thermostat. The heating unit is 3 kW. What devices can I use to make friends with? And how to connect them?
