Electrics

Connecting a single-phase motor Electrics

At first, find out the type of engine. Not always solve the problem unequivocally. Appearance does not talk, the old motor nameplate able not correspond to the actual filling machine. We offer a br...

As prozvanivat multimeter or tester Wire Electrics

Often found on the network information that may allegedly tester to measure the resistance of the copper wire. It fails, if the equipment is sufficiently sensitive, but typically will not be able t...

Design and operation of the DC motor Electrics

Not every electric motor can be uniquely called able to work from DC. As for the collector type. It is based on a device working principle of the DC motor. The stator consists of a set of windings,...

How to choose a jigsaw Electrics

We believe that describing the internal structure of an electric jigsaw, at the same time give to understand what is best to buy. It will become evident from the narrative. Do not expect that the c...

Laying fiber optic cable Electrics

Say, laying fiber optic cable on the ocean floor cost the Anglo-French concern Alcatel billions of dollars. One vein of glass 125 microns thick can provide hundreds speed terabit / sec. Clearly, th...

Differential automatic Electrics

Consider than a differential automatic RCD differs from the unknown. The difference is conditional, but also weighty. Let's try to do without complicated terms, so as not to frighten unsophisticate...

Lightning protection of houses and apartments Electrics

Home improvement lightning protection is described in accordance with RD 34.21.122.The rest is fiction. Do I need lightning protection in a private house? Decide on your own, if an antenna is hit...

How to use the indicator screwdriver Electrics

It is interesting to know how the indicator screwdriver works and how it works. To be aware of new products is useful. For example, filament LED bulbs can work up to 30,000 hours. This is about 1...

How to choose a fan for the bathroom and toilet Electrics

It is unpleasant when you enter the room, and there it smells unpleasant. Worse, if it happens in the toilet or bathroom. People are puzzled how to choose a fan for the bathroom and toilet. For o...

How to choose a chandelier Electrics

Let's start with the actual things - the lamp in the bathroom. Readers probably noticed that the design of lighting devices is constantly changing. Now consider the reason for what is happening. ...