Where is the three-phase socket used, what they are and how they are connected correctly. Ground connection if there is no separate contact for it.

How to connect an outlet: common ways and nuances of their use. Star, loop and loop connection, open and closed wiring.

How to change the outlet: the choice of tools and materials, the nuances of dismantling the old device, replacing the socket and installing a new outlet.

We analyze in detail the reasons for the appearance of two phases in the outlet and consider how to fix this malfunction on our own.

For what grounding in the outlet may be necessary and how to make sure that it really works - read this article.

How to find and fix a malfunction if there is light in the apartment and the outlet for some reason does not work - detailed instructions for home ...

How to fix an outlet that falls out of the wall when you remove the plug - repairing the socket, making homemade fasteners and installing the outlet itself.

What to do if the outlet sparks or the plug gets hot. We figure out why this happens and how to fix such an outlet with our own hands.

Moving standard and power outlets to a new place - instructions for a home craftsman with a detailed description of various situations.