Construction And Repair

How are 1 and 2 groups of electrical safety admission assigned: rules for attestation and qualification exam

How are 1 and 2 groups of electrical safety admission assigned: rules for attestation and qualification examConstruction And Repair

To work with electrical installations is allowed only to a specialist with 1 group of electrical safety approval, who owns narrow knowledge of safety precautions. In contrast to the confirmation of...

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Group 4 for electrical safety up to 1000 V: requirements for applicants for class, scope of work and exam

Group 4 for electrical safety up to 1000 V: requirements for applicants for class, scope of work and examConstruction And Repair

The preparedness of a specialist to conduct power engineering works of a certain complexity is assessed by his qualifications. The most demanded in production is the group for electrical safety 4 -...

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Free electricity with your own hands: videos, methods and possibilities at home, alternatives

Free electricity with your own hands: videos, methods and possibilities at home, alternativesConstruction And Repair

Modern society cannot imagine itself without certain achievements of science, among which electricity occupies a special place. This wonderful and valuable energy is present in almost all areas of ...

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Electrical safety questions: admission to an electrician and how to get qualifications, exam and grade

Electrical safety questions: admission to an electrician and how to get qualifications, exam and gradeConstruction And Repair

In any production, special attention on the part of the labor protection service is paid to issues of electrical safety (ES) - the protection of a person from current voltages. In accordance with t...

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Receiving and transmission of electricity: sources of energy generation, transmission over long distances

Receiving and transmission of electricity: sources of energy generation, transmission over long distancesConstruction And Repair

Like any type of energy, electrical is a force that is communicated by different objects to each other. The receipt and transmission of electricity has become the main driving factor for the develo...

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Electrical safety rules: what you need to know and how to apply them in practice

Electrical safety rules: what you need to know and how to apply them in practiceConstruction And Repair

There are a huge number of normative documents and regulations that govern the basic rules of electrical safety. This topic is very comprehensive and covers all types of electrical work and the ope...

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Saving electricity: how to save in an apartment and a private house, ways

Saving electricity: how to save in an apartment and a private house, waysConstruction And Repair

If you notice that you are spending a fairly large amount of money on utility bills, then this is a clear sign that the time has come to think about saving energy. It should be noted that many of u...

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Electricity quality: main problems and their causes

Electricity quality: main problems and their causesConstruction And Repair

Historically, technical development is closely related to the use of electricity. The widespread adoption of information technology, power electronics, variable speed drives and energy efficient li...

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Metering device: types of devices for controlling energy consumption, functions

Metering device: types of devices for controlling energy consumption, functionsConstruction And Repair

Transmission and transportation of electricity is one of the prerequisites for the normal functioning of all household and industrial facilities. This is one of the most important resources, the co...

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How an RCD works correctly: its types, method of operation and connection diagram

How an RCD works correctly: its types, method of operation and connection diagramConstruction And Repair

A residual current device, or RCD, is a low voltage electrical apparatus. It automatically disconnects the protected section of the electrical circuit if a differential current of magnitude occurs....

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