Build days

Why it can shock when grounded to the pipeline

Oct 28, 2021

First, the pipeline is not a grounding device. The grounding device must have a certain resistance to ground - only in this case it will perform it...

Rows of resistors, capacitors, inductance ratings

Oct 28, 2021

Have you ever wondered why there are 1.2 kΩ resistors, but not, for example, 1.25 kΩ? The thing is that the nominal values of radio components ar...

The best grinders for 125, 150, 180, 230 mm - 2017 rating

Oct 28, 2021

An angle grinder is an essential tool that a DIYer should have, especially if he lives in his home. In the modern world, there are many manufacture...

An introductory RCD 300 mA is triggered when the air conditioner is turned on

Oct 28, 2021

Hello! It means that somewhere the air conditioner "flows" to the case, and quite strongly, therefore, the selectivity of the RCD operation is not ...

Malfunction of the indicator on the hob

Oct 28, 2021

Denis asks: Hello, there was such a problem, namely, it does not show part of the number, for example, instead of 8 it shows 6, one stick in the nu...

Connecting an induction cooker to a regular socket, cable 2.5 mm sq.

Oct 28, 2021

The question is answered: Alexey BartoshAs if in two ways. The panel is like an electric stove, and since it is an electric stove, then you need a ...

How to make wireless charging from wired (simple)

Oct 28, 2021

Michael asks: I have an electrical circuit (pictured). This is a phone battery charger circuit, but unusual. Ever encountered a car battery charger...

Assembling a panel for a two-room apartment

Oct 28, 2021

1. For a warm floor, a difavtomat (or RCD + automatic machine) is needed, since this consumer is dangerous from the point of view of electric shock...

Losses of electricity in electrical networks: causes and ways to reduce

Oct 28, 2021

Losses in power grids are considered to be the difference between the transmitted electricity from the producer to the consumed electricity consume...

Power Tool Safety in Brief

Oct 28, 2021

When doing electrical work, you cannot do without using an electric tool - a grinder, a drill, a screwdriver, a wall chaser. Installation of electr...