We figure out why a three-phase voltage relay may be required in a home electrical network, how to choose, install and configure it.

We understand what a differential machine (difavtomat) is and what function this device performs in a home electrical network.

We figure out how to correctly connect the differential machine to a home single-phase network with our own hands.

We understand how an RCD differs from a differential machine and which of these devices is preferable to use in home wiring.

We understand why an automatic phase switch is needed, what they are and how they are connected to the electrical network.

We figure out why it may be necessary to install a phase control relay in the electrical network of your home and how to choose and connect this device.

The fact that it is necessary to install residual current devices in modern houses and apartments has already been said many times. Their main goal is ...

Let's figure out what the voltage monitoring relay is for and how it helps to protect expensive household appliances in your home.

We figure out what is the reason for voltage drops in the electrical network and how to reliably protect expensive household appliances from them.