Build days

High-voltage disconnectors: purpose, device, classification
High-voltage disconnectors: purpose, device, classification
Oct 28, 2021

For switching on power lines, high-voltage switches and disconnectors are used. The former are used for operational switching under load, and the l...

Monter's claws and manholes: types, purpose, rules of use
Monter's claws and manholes: types, purpose, rules of use
Oct 28, 2021

Monter's claws and manholes are a kit that a person uses to climb an overhead power line support. These devices are popular with electricians, beca...

Do-it-yourself replacement of plugs with vending machines: video, diagram, photo
Do-it-yourself replacement of plugs with vending machines: video, diagram, photo
Oct 28, 2021

The owners of old Khrushchev houses, as well as private houses, sooner or later face the need to replace plugs with circuit breakers. What is it fo...

DIY photo relay: diagram, video, assembly instructions
DIY photo relay: diagram, video, assembly instructions
Oct 28, 2021

One of the main elements of automation in street lighting, along with timers and motion sensors, is a photo relay or twilight relay. The purpose of...

Battery instead of 9v crown battery
Battery instead of 9v crown battery
Oct 28, 2021

Hello, I have a question! There is a device powered by a 9V battery of the "Krona" type. Basically (and this is 98-99% of the operating time of the...

DC brushed motor: design and principle of operation
DC brushed motor: design and principle of operation
Oct 28, 2021

Collector motors are quite common in everyday life and at work. They are used to drive various mechanisms, power tools, in cars. Part of the popula...

Diode bridge: device, principle of operation, purpose, circuits
Diode bridge: device, principle of operation, purpose, circuits
Oct 28, 2021

We looked at passive components of electronic circuits such as resistors and capacitors. But besides them, electricians and radio amateurs have to ...

The difavtomat works: causes and troubleshooting algorithm
The difavtomat works: causes and troubleshooting algorithm
Oct 28, 2021

Occasionally, owners of differential protection devices are faced with spontaneous shutdowns protective circuit breakers, after the re-inclusion of...

Malfunctions of circuit breakers, their causes and remedies
Malfunctions of circuit breakers, their causes and remedies
Oct 28, 2021

Modern circuit breakers are not intended for repair because they are supplied in a non-separable housing. The manufacturer intends to replace them,...

Short circuit in an induction hob
Short circuit in an induction hob
Oct 28, 2021

Hello. There is a Fagor 5ift-22 s hob. 2 burners it has induction, 2 ordinary ones with heating. Symptoms are as follows: when the induction is tur...