Build days

DIY cotton switch: diagram, video, photo

Oct 28, 2021

To improve their comfort and simplify their daily routine, people constantly come up with new devices. Today we will look at a device for remote co...

Getting alternating current: methods and basic definitions

Oct 28, 2021

Alternating current is currently the only way to cheaply transmit electricity over distances. It surpasses direct current in a number of parameters...

Determination of electric motor power by current, size, shaft diameter

Oct 28, 2021

In practice, it is not always necessary to work with electric motors for which the operating parameters are known. This information is usually indi...

What input machines should be after replacing the riser

Oct 28, 2021

The nominal value of the input machine is calculated not based on your consumption and the number of electrical appliances. To increase the nominal...

Electrical safety in the TN-C power supply system

Oct 28, 2021

After the counter, it is impossible to divide, as this is fraught with negative consequences. In the event of a zero break to the separation point,...

Electric field: definition, characteristics, properties

Oct 28, 2021

There is such a term in physics as "Electric field". It describes the appearance of a certain force around charged bodies. It is applied in practic...

Armature for the installation of SIP cable from the pole to the house: description

Oct 28, 2021

Due to its relative simplicity and reliability, the SIP wire got its right to life, and becomes the undisputed leader. Among the possible options f...

How to use a luxmeter: video, photo, instruction

Oct 28, 2021

With the help of a luxmeter, you can quickly and accurately measure the illumination in a room. This is necessary in order to compare the actual le...

What is a feeder in electrics?

Oct 28, 2021

Personnel who work with an electrical network with a voltage of less than 1000 volts do not always understand what is happening “at the other end o...

Electrical capacity: definition, formulas, units

Oct 28, 2021

In electrical engineering, the concept of capacity is often found. In this case, we are not talking about a bucket or other vessel, but about the e...