Electrical safety
How to choose the right RCD « Useful for an electrician: electrical engineering and electronics
A residual current device (RCD) is a switching device or set of elements that, when the residual current reaches (exceeds) a certain value...
How to calculate the cross-section of a portable ground « Useful for an electrician: electrical engineering and electronics
To ensure safety when working on electrical equipment and power lines, it is necessary to turn off (yes...
Conditions for testing electrical protective equipment. Useful for electrician: electrical engineering and electronics
The use of electrical safety devices in electrical installations is one of the main measures to protect service personnel from electric...
Stefan Jelinek — one of the founders of the science of electrical safety.Useful for electrician: electrical engineering and electronics
Stefan Jelinek is an Austrian doctor who made famous illustrations and posters about the dangers of electricity in the early 20...
How to maintain and replace fuses. Useful for electrician: electrical engineering and electronics
Fuses change their characteristics during long-term operation - they become old. Therefore, they must be periodically replaced with new ones. The support of...
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Why is electric current dangerous?