The main causes of short circuit
The main causes of short circuit Surely, many have heard such a phrase as a short circuit, but few understand why this phenomenon occurs, why it is dangerous, and what…
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Practical knowledge
electricity
Practical guidance for choosing, installing and maintaining electrical systems and products with confidence.
Rules of first aid for electric shock
Rules of first aid for electric shock Every electrician is simply obliged to know the safety precautions during electrical work, as well as the instructions for first aid in case of electric…
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9 circuits to connect the voltage relay correctly
9 circuits to connect the voltage relay correctly The phase voltage monitoring relay allows you to immediately turn off the electricity after the meter in case of an emergency - a power…
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How to divide the PEN connector according to PUE
How to divide the PEN connector according to PUE In our last article on types of grounding, power supply systems and their advantages were described. A modern supply system is also described.…
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How to connect SPD in a single-phase and three-phase network?
How to connect SPD in a single-phase and three-phase network? Good and long-term operation of household appliances and electronics directly depends on the quality of the energy consumed. The current values of…
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Classification of surge protection devices
Classification of surge protection devices The modern man, who tries to keep himself updated, saturates his home with electrical appliances for various purposes. But not every homeowner believes that even if a…
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What is UZM-51M and how is it connected?
What is UZM-51M and how is it connected? UZM stands for multi-functional protective device. This versatile device will protect electrical equipment from power surges, surge noise, and over or under voltage in…
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Tips for choosing a voltage relay for a home network
Tips for choosing a voltage relay for a home network From year to year, manufacturers of household electrical appliances and electronic equipment offer more complex and advanced products. The result of the…
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How does a voltage relay work and what is its use?
How does a voltage relay work and what is its use? It is difficult to find a person who does not know what a circuit breaker is, known as a vending machine…
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Expert advice on choosing a voltage regulator
Expert advice on choosing a voltage regulator Before you go to the store for a voltage regulator, you need to find out how many electrical energy consumers you have at…
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What is defavamate and what is it used for?
What is defavamate and what is it used for? The differential automatic machine is a compact low-voltage electrical device that combines in one case the functions of two protection devices - an…
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What is an electrical network overload and why is it dangerous?
What is an electrical network overload and why is it dangerous? The occurrence of network congestion can lead to both small trivial problems, including, for example, flickering of lighting in…
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