We consider how to check a used battery with a multimeter and determine in which device it can still be used.

We figure out which knife is best used for stripping cables and wires and how, if necessary, do it yourself.

We figure out how to correctly make the wiring in the garage with our own hands: think over the scheme, make lightning protection, mount lighting and sockets.

Detailed instructions for laying electrical wiring in a bathhouse in a country house or a personal plot: electricity supply, load calculation, rules for wiring.

Types of switches and their classification: according to the method of installation, connection methods and principles of operation - types of devices and how they are used.

Pass-through switch: what is it - the principle of operation, what is the difference with a conventional one, in what cases are they used, what are they ...

We figure out how to quickly fix a faulty light switch with our own hands and what is needed for this.

Replacing a failed one or two-button switch quickly and without problems with your own hands.

How wires are welded: on copper and aluminum strands. Common methods and tools are homemade and industrial production.