With unlimited financial resources, we select a set of tools for an electrician. We do not regret money, we take what we want! It turned out 250,000 rubles. Tool List for…
A visual experiment with a wire that fell to the ground. Let's measure the step voltage. Let's find out which step is the safest.
Let's compare the thread of a Soviet bolt and a modern stud. This small test will show who is closer to the GOST standards.
The inspector identified about a dozen violations. What exactly did he find? It will be interesting for electricians to play the role of an inspector and find violations ...
The capacity that battery manufacturers write is impressive: 6000mAh, 10000mAh, 20000mAh ... In fact, the real capacity of such batteries does not exceed 3500mAh. And this…
Each k.z. creates carbon deposits and scales on the contact area. The contact resistance of such a contact increases markedly and the machine will not be able to work ...
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