Build days

Connecting a wiper through a laptop power supply

Oct 28, 2021

Hello! You can power it up. From a short-term inclusion, most likely, nothing will happen to him. Please note that it can warm up even at rated vol...

DIY soldering station: diagram, video, photo

Oct 28, 2021

Not only novice radio amateurs, but also experienced craftsmen experience certain difficulties when soldering electronic elements with inexpensive ...

Calculation of electricity according to the standard without a meter in 2017

Oct 28, 2021

In order to use the services and goods (electricity) provided by the suppliers electricity, each consumer must be equipped with a serviceable and v...

Checking the power tool: frequency, timing, method

Oct 28, 2021

Any construction and repair is not complete without hand tools, this simplifies and speeds up its implementation. At the same time, it is the porta...

Checking circuit breakers up to 1000 V

Oct 28, 2021

After replacing or newly laid electrical wiring, it is necessary to install metering devices and all machines for normal operation of household app...

Extension cable for connecting the change house from the house, distance 4 m

Oct 28, 2021

Good day! In your case, it is important to understand what kind of load will be connected in the change house. If this is lighting and any househol...

Different voltage on heating elements in an electric oven

Oct 28, 2021

Hello! What you described is clearly not a serial connection. Maybe you write a model of the stove, maybe there is a diagram in the instructions. F...

Household overvoltage protection device

Oct 28, 2021

Hello dear readers of the site Electrician himself! Today I would like to give a little of your attention to the development of one of the visitors...

The structure of the general grounding network at the PGR, the purpose of the elements

Oct 28, 2021

Hello! I am not a specialist in mine equipment, but logic suggests something like this. The main ground electrode - apparently in this case (and in...

How to connect the massager without battery from the adapter?

Oct 28, 2021

Hello! Yes, connect to the terminals to which the battery was connected. And the fact that the tension is slightly higher is not too scary. On the ...